217025535

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{2399}}^1$

素因数の和:2607

約数の個数: 32

約数和(自身を含む): 358963200

約数和(自身を除く): 141937665

約数列:

[1, 3, 5, 15, 37, 111, 163, 185, 489, 555, 815, 2399, 2445, 6031, 7197, 11995, 18093, 30155, 35985, 88763, 90465, 266289, 391037, 443815, 1173111, 1331445, 1955185, 5865555, 14468369, 43405107, 72341845, 217025535]

約数ペア:

[(1, 217025535), (3, 72341845), (5, 43405107), (15, 14468369), (37, 5865555), (111, 1955185), (163, 1331445), (185, 1173111), (489, 443815), (555, 391037), (815, 266289), (2399, 90465), (2445, 88763), (6031, 35985), (7197, 30155), (11995, 18093)]