1720035

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 40

約数和(自身を含む): 3206016

約数和(自身を除く): 1485981

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 137, 155, 279, 405, 411, 465, 685, 837, 1233, 1395, 2055, 2511, 3699, 4185, 4247, 6165, 11097, 12555, 12741, 18495, 21235, 38223, 55485, 63705, 114669, 191115, 344007, 573345, 1720035]

約数ペア:

[(1, 1720035), (3, 573345), (5, 344007), (9, 191115), (15, 114669), (27, 63705), (31, 55485), (45, 38223), (81, 21235), (93, 18495), (135, 12741), (137, 12555), (155, 11097), (279, 6165), (405, 4247), (411, 4185), (465, 3699), (685, 2511), (837, 2055), (1233, 1395)]