15630021

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 26889408

約数和(自身を除く): 11259387

約数列:

[1, 3, 9, 11, 17, 33, 37, 51, 99, 111, 153, 187, 251, 333, 407, 561, 629, 753, 1221, 1683, 1887, 2259, 2761, 3663, 4267, 5661, 6919, 8283, 9287, 12801, 20757, 24849, 27861, 38403, 46937, 62271, 83583, 102157, 140811, 157879, 306471, 422433, 473637, 919413, 1420911, 1736669, 5210007, 15630021]

約数ペア:

[(1, 15630021), (3, 5210007), (9, 1736669), (11, 1420911), (17, 919413), (33, 473637), (37, 422433), (51, 306471), (99, 157879), (111, 140811), (153, 102157), (187, 83583), (251, 62271), (333, 46937), (407, 38403), (561, 27861), (629, 24849), (753, 20757), (1221, 12801), (1683, 9287), (1887, 8283), (2259, 6919), (2761, 5661), (3663, 4267)]