87631089

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1249}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 144480000

約数和(自身を除く): 56848911

約数列:

[1, 3, 7, 13, 21, 39, 91, 257, 273, 771, 1249, 1799, 3341, 3747, 5397, 8743, 10023, 16237, 23387, 26229, 48711, 70161, 113659, 320993, 340977, 962979, 2246951, 4172909, 6740853, 12518727, 29210363, 87631089]

約数ペア:

[(1, 87631089), (3, 29210363), (7, 12518727), (13, 6740853), (21, 4172909), (39, 2246951), (91, 962979), (257, 340977), (273, 320993), (771, 113659), (1249, 70161), (1799, 48711), (3341, 26229), (3747, 23387), (5397, 16237), (8743, 10023)]