561531195

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 999659232

約数和(自身を除く): 438128037

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 521, 557, 645, 1563, 1671, 1935, 2605, 2785, 4689, 5013, 7815, 8355, 22403, 23445, 23951, 25065, 67209, 71853, 112015, 119755, 201627, 215559, 290197, 336045, 359265, 870591, 1008135, 1077795, 1450985, 2611773, 4352955, 12478471, 13058865, 37435413, 62392355, 112306239, 187177065, 561531195]

約数ペア:

[(1, 561531195), (3, 187177065), (5, 112306239), (9, 62392355), (15, 37435413), (43, 13058865), (45, 12478471), (129, 4352955), (215, 2611773), (387, 1450985), (521, 1077795), (557, 1008135), (645, 870591), (1563, 359265), (1671, 336045), (1935, 290197), (2605, 215559), (2785, 201627), (4689, 119755), (5013, 112015), (7815, 71853), (8355, 67209), (22403, 25065), (23445, 23951)]