28122885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 56519424

約数和(自身を除く): 28396539

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 1095, 1223, 1533, 2555, 3285, 3669, 4599, 6115, 7665, 8561, 11007, 18345, 22995, 25683, 42805, 55035, 77049, 89279, 128415, 267837, 385245, 446395, 624953, 803511, 1339185, 1874859, 3124765, 4017555, 5624577, 9374295, 28122885]

約数ペア:

[(1, 28122885), (3, 9374295), (5, 5624577), (7, 4017555), (9, 3124765), (15, 1874859), (21, 1339185), (35, 803511), (45, 624953), (63, 446395), (73, 385245), (105, 267837), (219, 128415), (315, 89279), (365, 77049), (511, 55035), (657, 42805), (1095, 25683), (1223, 22995), (1533, 18345), (2555, 11007), (3285, 8561), (3669, 7665), (4599, 6115)]