420879459

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{10781}}^1$

素因数の和:10828

約数の個数: 48

約数和(自身を含む): 757672704

約数和(自身を除く): 336793245

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 169, 231, 273, 429, 507, 1001, 1183, 1859, 3003, 3549, 5577, 10781, 13013, 32343, 39039, 75467, 118591, 140153, 226401, 355773, 420459, 830137, 981071, 1541683, 1821989, 2490411, 2943213, 4625049, 5465967, 10791781, 12753923, 20041879, 32375343, 38261769, 60125637, 140293153, 420879459]

約数ペア:

[(1, 420879459), (3, 140293153), (7, 60125637), (11, 38261769), (13, 32375343), (21, 20041879), (33, 12753923), (39, 10791781), (77, 5465967), (91, 4625049), (143, 2943213), (169, 2490411), (231, 1821989), (273, 1541683), (429, 981071), (507, 830137), (1001, 420459), (1183, 355773), (1859, 226401), (3003, 140153), (3549, 118591), (5577, 75467), (10781, 39039), (13013, 32343)]