27800955

素因数分解:

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

素因数の和:138

約数の個数: 128

約数和(自身を含む): 63651840

約数和(自身を除く): 35850885

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 31, 35, 39, 45, 63, 65, 73, 91, 93, 105, 117, 135, 155, 189, 195, 217, 219, 273, 279, 315, 351, 365, 403, 455, 465, 511, 585, 651, 657, 819, 837, 945, 949, 1085, 1095, 1209, 1365, 1395, 1533, 1755, 1953, 1971, 2015, 2263, 2457, 2555, 2821, 2847, 3255, 3285, 3627, 4095, 4185, 4599, 4745, 5859, 6045, 6643, 6789, 7665, 8463, 8541, 9765, 9855, 10881, 11315, 12285, 13797, 14105, 14235, 15841, 18135, 19929, 20367, 22995, 25389, 25623, 29295, 29419, 33215, 33945, 42315, 42705, 47523, 54405, 59787, 61101, 68985, 76167, 79205, 88257, 99645, 101835, 126945, 128115, 142569, 147095, 179361, 205933, 237615, 264771, 298935, 305505, 380835, 427707, 441285, 617799, 712845, 794313, 896805, 1029665, 1323855, 1853397, 2138535, 3088995, 3971565, 5560191, 9266985, 27800955]

約数ペア:

[(1, 27800955), (3, 9266985), (5, 5560191), (7, 3971565), (9, 3088995), (13, 2138535), (15, 1853397), (21, 1323855), (27, 1029665), (31, 896805), (35, 794313), (39, 712845), (45, 617799), (63, 441285), (65, 427707), (73, 380835), (91, 305505), (93, 298935), (105, 264771), (117, 237615), (135, 205933), (155, 179361), (189, 147095), (195, 142569), (217, 128115), (219, 126945), (273, 101835), (279, 99645), (315, 88257), (351, 79205), (365, 76167), (403, 68985), (455, 61101), (465, 59787), (511, 54405), (585, 47523), (651, 42705), (657, 42315), (819, 33945), (837, 33215), (945, 29419), (949, 29295), (1085, 25623), (1095, 25389), (1209, 22995), (1365, 20367), (1395, 19929), (1533, 18135), (1755, 15841), (1953, 14235), (1971, 14105), (2015, 13797), (2263, 12285), (2457, 11315), (2555, 10881), (2821, 9855), (2847, 9765), (3255, 8541), (3285, 8463), (3627, 7665), (4095, 6789), (4185, 6643), (4599, 6045), (4745, 5859)]