64868895

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 147393792

約数和(自身を除く): 82524897

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 31, 35, 39, 45, 49, 63, 65, 73, 91, 93, 105, 117, 147, 155, 195, 217, 219, 245, 273, 279, 315, 365, 403, 441, 455, 465, 511, 585, 637, 651, 657, 735, 819, 949, 1085, 1095, 1209, 1365, 1395, 1519, 1533, 1911, 1953, 2015, 2205, 2263, 2555, 2821, 2847, 3185, 3255, 3285, 3577, 3627, 4095, 4557, 4599, 4745, 5733, 6045, 6643, 6789, 7595, 7665, 8463, 8541, 9555, 9765, 10731, 11315, 13671, 14105, 14235, 15841, 17885, 18135, 19747, 19929, 20367, 22785, 22995, 25389, 28665, 29419, 32193, 33215, 33945, 42315, 42705, 46501, 47523, 53655, 59241, 59787, 68355, 79205, 88257, 98735, 99645, 101835, 110887, 126945, 139503, 142569, 147095, 160965, 177723, 205933, 232505, 237615, 264771, 296205, 298935, 332661, 418509, 441285, 554435, 617799, 697515, 712845, 888615, 997983, 1029665, 1323855, 1441531, 1663305, 1853397, 2092545, 3088995, 4324593, 4989915, 7207655, 9266985, 12973779, 21622965, 64868895]

約数ペア:

[(1, 64868895), (3, 21622965), (5, 12973779), (7, 9266985), (9, 7207655), (13, 4989915), (15, 4324593), (21, 3088995), (31, 2092545), (35, 1853397), (39, 1663305), (45, 1441531), (49, 1323855), (63, 1029665), (65, 997983), (73, 888615), (91, 712845), (93, 697515), (105, 617799), (117, 554435), (147, 441285), (155, 418509), (195, 332661), (217, 298935), (219, 296205), (245, 264771), (273, 237615), (279, 232505), (315, 205933), (365, 177723), (403, 160965), (441, 147095), (455, 142569), (465, 139503), (511, 126945), (585, 110887), (637, 101835), (651, 99645), (657, 98735), (735, 88257), (819, 79205), (949, 68355), (1085, 59787), (1095, 59241), (1209, 53655), (1365, 47523), (1395, 46501), (1519, 42705), (1533, 42315), (1911, 33945), (1953, 33215), (2015, 32193), (2205, 29419), (2263, 28665), (2555, 25389), (2821, 22995), (2847, 22785), (3185, 20367), (3255, 19929), (3285, 19747), (3577, 18135), (3627, 17885), (4095, 15841), (4557, 14235), (4599, 14105), (4745, 13671), (5733, 11315), (6045, 10731), (6643, 9765), (6789, 9555), (7595, 8541), (7665, 8463)]