31012359

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 48921600

約数和(自身を除く): 17909241

約数列:

[1, 3, 7, 21, 41, 123, 181, 199, 287, 543, 597, 861, 1267, 1393, 3801, 4179, 7421, 8159, 22263, 24477, 36019, 51947, 57113, 108057, 155841, 171339, 252133, 756399, 1476779, 4430337, 10337453, 31012359]

約数ペア:

[(1, 31012359), (3, 10337453), (7, 4430337), (21, 1476779), (41, 756399), (123, 252133), (181, 171339), (199, 155841), (287, 108057), (543, 57113), (597, 51947), (861, 36019), (1267, 24477), (1393, 22263), (3801, 8159), (4179, 7421)]