220169805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{5297}}^1$

素因数の和:5485

約数の個数: 32

約数和(自身を含む): 375352704

約数和(自身を除く): 155182899

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 489, 815, 2445, 2771, 5297, 8313, 13855, 15891, 26485, 41565, 79455, 90049, 270147, 450245, 863411, 1350735, 2590233, 4317055, 12951165, 14677987, 44033961, 73389935, 220169805]

約数ペア:

[(1, 220169805), (3, 73389935), (5, 44033961), (15, 14677987), (17, 12951165), (51, 4317055), (85, 2590233), (163, 1350735), (255, 863411), (489, 450245), (815, 270147), (2445, 90049), (2771, 79455), (5297, 41565), (8313, 26485), (13855, 15891)]