201025215

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103889}}^1$

素因数の和:103943

約数の個数: 24

約数和(自身を含む): 356550480

約数和(自身を除く): 155525265

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 103889, 311667, 519445, 935001, 1558335, 4467227, 4675005, 13401681, 22336135, 40205043, 67008405, 201025215]

約数ペア:

[(1, 201025215), (3, 67008405), (5, 40205043), (9, 22336135), (15, 13401681), (43, 4675005), (45, 4467227), (129, 1558335), (215, 935001), (387, 519445), (645, 311667), (1935, 103889)]