13308968421

素因数分解:

$3^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{390487}}^1$

素因数の和:391041

約数の個数: 24

約数和(自身を含む): 22011027584

約数和(自身を除く): 8702059163

約数列:

[1, 3, 7, 9, 21, 63, 541, 1623, 3787, 4869, 11361, 34083, 390487, 1171461, 2733409, 3514383, 8200227, 24600681, 211253467, 633760401, 1478774269, 1901281203, 4436322807, 13308968421]

約数ペア:

[(1, 13308968421), (3, 4436322807), (7, 1901281203), (9, 1478774269), (21, 633760401), (63, 211253467), (541, 24600681), (1623, 8200227), (3787, 3514383), (4869, 2733409), (11361, 1171461), (34083, 390487)]