321570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{397}}^1$

素因数の和:416

約数の個数: 40

約数和(自身を含む): 866844

約数和(自身を除く): 545274

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 397, 405, 794, 810, 1191, 1985, 2382, 3573, 3970, 5955, 7146, 10719, 11910, 17865, 21438, 32157, 35730, 53595, 64314, 107190, 160785, 321570]

約数ペア:

[(1, 321570), (2, 160785), (3, 107190), (5, 64314), (6, 53595), (9, 35730), (10, 32157), (15, 21438), (18, 17865), (27, 11910), (30, 10719), (45, 7146), (54, 5955), (81, 3970), (90, 3573), (135, 2382), (162, 1985), (270, 1191), (397, 810), (405, 794)]