4989915

素因数分解:

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

素因数の和:129

約数の個数: 72

約数和(自身を含む): 10528128

約数和(自身を除く): 5538213

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 73, 93, 105, 147, 155, 217, 219, 245, 279, 315, 365, 441, 465, 511, 651, 657, 735, 1085, 1095, 1395, 1519, 1533, 1953, 2205, 2263, 2555, 3255, 3285, 3577, 4557, 4599, 6789, 7595, 7665, 9765, 10731, 11315, 13671, 15841, 17885, 20367, 22785, 22995, 32193, 33945, 47523, 53655, 68355, 79205, 101835, 110887, 142569, 160965, 237615, 332661, 554435, 712845, 997983, 1663305, 4989915]

約数ペア:

[(1, 4989915), (3, 1663305), (5, 997983), (7, 712845), (9, 554435), (15, 332661), (21, 237615), (31, 160965), (35, 142569), (45, 110887), (49, 101835), (63, 79205), (73, 68355), (93, 53655), (105, 47523), (147, 33945), (155, 32193), (217, 22995), (219, 22785), (245, 20367), (279, 17885), (315, 15841), (365, 13671), (441, 11315), (465, 10731), (511, 9765), (651, 7665), (657, 7595), (735, 6789), (1085, 4599), (1095, 4557), (1395, 3577), (1519, 3285), (1533, 3255), (1953, 2555), (2205, 2263)]