1021075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 1428480

約数和(自身を除く): 407405

約数列:

[1, 5, 11, 25, 47, 55, 79, 235, 275, 395, 517, 869, 1175, 1975, 2585, 3713, 4345, 12925, 18565, 21725, 40843, 92825, 204215, 1021075]

約数ペア:

[(1, 1021075), (5, 204215), (11, 92825), (25, 40843), (47, 21725), (55, 18565), (79, 12925), (235, 4345), (275, 3713), (395, 2585), (517, 1975), (869, 1175)]