639039453

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{983}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 934563840

約数和(自身を除く): 295524387

約数列:

[1, 3, 13, 39, 79, 211, 237, 633, 983, 1027, 2743, 2949, 3081, 8229, 12779, 16669, 38337, 50007, 77657, 207413, 216697, 232971, 622239, 650091, 1009541, 2696369, 3028623, 8089107, 16385627, 49156881, 213013151, 639039453]

約数ペア:

[(1, 639039453), (3, 213013151), (13, 49156881), (39, 16385627), (79, 8089107), (211, 3028623), (237, 2696369), (633, 1009541), (983, 650091), (1027, 622239), (2743, 232971), (2949, 216697), (3081, 207413), (8229, 77657), (12779, 50007), (16669, 38337)]