947943

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 1467648

約数和(自身を除く): 519705

約数列:

[1, 3, 9, 27, 47, 81, 83, 141, 243, 249, 423, 747, 1269, 2241, 3807, 3901, 6723, 11421, 11703, 20169, 35109, 105327, 315981, 947943]

約数ペア:

[(1, 947943), (3, 315981), (9, 105327), (27, 35109), (47, 20169), (81, 11703), (83, 11421), (141, 6723), (243, 3901), (249, 3807), (423, 2241), (747, 1269)]