221301225

素因数分解:

$3^2\times 5^2\times {\mathrm{563}}^1\times {\mathrm{1747}}^1$

素因数の和:2326

約数の個数: 36

約数和(自身を含む): 397306416

約数和(自身を除く): 176005191

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 563, 1689, 1747, 2815, 5067, 5241, 8445, 8735, 14075, 15723, 25335, 26205, 42225, 43675, 78615, 126675, 131025, 393075, 983561, 2950683, 4917805, 8852049, 14753415, 24589025, 44260245, 73767075, 221301225]

約数ペア:

[(1, 221301225), (3, 73767075), (5, 44260245), (9, 24589025), (15, 14753415), (25, 8852049), (45, 4917805), (75, 2950683), (225, 983561), (563, 393075), (1689, 131025), (1747, 126675), (2815, 78615), (5067, 43675), (5241, 42225), (8445, 26205), (8735, 25335), (14075, 15723)]