15187257

素因数分解:

$3^6\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 28

約数和(自身を含む): 23136624

約数和(自身を除く): 7949367

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 251, 729, 747, 753, 2241, 2259, 6723, 6777, 20169, 20331, 20833, 60507, 60993, 62499, 182979, 187497, 562491, 1687473, 5062419, 15187257]

約数ペア:

[(1, 15187257), (3, 5062419), (9, 1687473), (27, 562491), (81, 187497), (83, 182979), (243, 62499), (249, 60993), (251, 60507), (729, 20833), (747, 20331), (753, 20169), (2241, 6777), (2259, 6723)]