1690731

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 2855424

約数和(自身を除く): 1164693

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 571, 987, 1713, 2961, 3997, 5139, 11991, 26837, 35973, 80511, 187859, 241533, 563577, 1690731]

約数ペア:

[(1, 1690731), (3, 563577), (7, 241533), (9, 187859), (21, 80511), (47, 35973), (63, 26837), (141, 11991), (329, 5139), (423, 3997), (571, 2961), (987, 1713)]