221617825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61991}}^1$

素因数の和:62025

約数の個数: 24

約数和(自身を含む): 322854336

約数和(自身を除く): 101236511

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 61991, 309955, 681901, 805883, 1549775, 3409505, 4029415, 8864713, 17047525, 20147075, 44323565, 221617825]

約数ペア:

[(1, 221617825), (5, 44323565), (11, 20147075), (13, 17047525), (25, 8864713), (55, 4029415), (65, 3409505), (143, 1549775), (275, 805883), (325, 681901), (715, 309955), (3575, 61991)]