31831995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 57183840

約数和(自身を除く): 25351845

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 169, 195, 377, 433, 435, 507, 845, 1131, 1299, 1885, 2165, 2535, 4901, 5629, 5655, 6495, 12557, 14703, 16887, 24505, 28145, 37671, 62785, 73177, 73515, 84435, 163241, 188355, 219531, 365885, 489723, 816205, 1097655, 2122133, 2448615, 6366399, 10610665, 31831995]

約数ペア:

[(1, 31831995), (3, 10610665), (5, 6366399), (13, 2448615), (15, 2122133), (29, 1097655), (39, 816205), (65, 489723), (87, 365885), (145, 219531), (169, 188355), (195, 163241), (377, 84435), (433, 73515), (435, 73177), (507, 62785), (845, 37671), (1131, 28145), (1299, 24505), (1885, 16887), (2165, 14703), (2535, 12557), (4901, 6495), (5629, 5655)]