210769875

素因数分解:

$3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{4357}}^1$

素因数の和:4421

約数の個数: 48

約数和(自身を含む): 388873056

約数和(自身を除く): 178103181

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 125, 129, 215, 225, 375, 387, 645, 1075, 1125, 1935, 3225, 4357, 5375, 9675, 13071, 16125, 21785, 39213, 48375, 65355, 108925, 187351, 196065, 326775, 544625, 562053, 936755, 980325, 1633875, 1686159, 2810265, 4683775, 4901625, 8430795, 14051325, 23418875, 42153975, 70256625, 210769875]

約数ペア:

[(1, 210769875), (3, 70256625), (5, 42153975), (9, 23418875), (15, 14051325), (25, 8430795), (43, 4901625), (45, 4683775), (75, 2810265), (125, 1686159), (129, 1633875), (215, 980325), (225, 936755), (375, 562053), (387, 544625), (645, 326775), (1075, 196065), (1125, 187351), (1935, 108925), (3225, 65355), (4357, 48375), (5375, 39213), (9675, 21785), (13071, 16125)]