13120875

素因数分解:

$3^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 24092640

約数和(自身を除く): 10971765

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 107, 109, 125, 225, 321, 327, 375, 535, 545, 963, 981, 1125, 1605, 1635, 2675, 2725, 4815, 4905, 8025, 8175, 11663, 13375, 13625, 24075, 24525, 34989, 40125, 40875, 58315, 104967, 120375, 122625, 174945, 291575, 524835, 874725, 1457875, 2624175, 4373625, 13120875]

約数ペア:

[(1, 13120875), (3, 4373625), (5, 2624175), (9, 1457875), (15, 874725), (25, 524835), (45, 291575), (75, 174945), (107, 122625), (109, 120375), (125, 104967), (225, 58315), (321, 40875), (327, 40125), (375, 34989), (535, 24525), (545, 24075), (963, 13625), (981, 13375), (1125, 11663), (1605, 8175), (1635, 8025), (2675, 4905), (2725, 4815)]