679997457

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{1723}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 1032744960

約数和(自身を除く): 352747503

約数列:

[1, 3, 9, 27, 47, 141, 311, 423, 933, 1269, 1723, 2799, 5169, 8397, 14617, 15507, 43851, 46521, 80981, 131553, 242943, 394659, 535853, 728829, 1607559, 2186487, 4822677, 14468031, 25185091, 75555273, 226665819, 679997457]

約数ペア:

[(1, 679997457), (3, 226665819), (9, 75555273), (27, 25185091), (47, 14468031), (141, 4822677), (311, 2186487), (423, 1607559), (933, 728829), (1269, 535853), (1723, 394659), (2799, 242943), (5169, 131553), (8397, 80981), (14617, 46521), (15507, 43851)]