15351687

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 25206720

約数和(自身を除く): 9855033

約数列:

[1, 3, 9, 13, 27, 39, 61, 81, 117, 183, 239, 351, 549, 717, 793, 1053, 1647, 2151, 2379, 3107, 4941, 6453, 7137, 9321, 14579, 19359, 21411, 27963, 43737, 64233, 83889, 131211, 189527, 251667, 393633, 568581, 1180899, 1705743, 5117229, 15351687]

約数ペア:

[(1, 15351687), (3, 5117229), (9, 1705743), (13, 1180899), (27, 568581), (39, 393633), (61, 251667), (81, 189527), (117, 131211), (183, 83889), (239, 64233), (351, 43737), (549, 27963), (717, 21411), (793, 19359), (1053, 14579), (1647, 9321), (2151, 7137), (2379, 6453), (3107, 4941)]