18132471

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 30919680

約数和(自身を除く): 12787209

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 487, 591, 1379, 1461, 1773, 3409, 4137, 4383, 5319, 10227, 12411, 13149, 30681, 37233, 92043, 95939, 287817, 671573, 863451, 2014719, 2590353, 6044157, 18132471]

約数ペア:

[(1, 18132471), (3, 6044157), (7, 2590353), (9, 2014719), (21, 863451), (27, 671573), (63, 287817), (189, 95939), (197, 92043), (487, 37233), (591, 30681), (1379, 13149), (1461, 12411), (1773, 10227), (3409, 5319), (4137, 4383)]