199392915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{1567}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 338688000

約数和(自身を除く): 139295085

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 499, 1497, 1567, 2495, 4701, 7485, 7835, 8483, 23505, 25449, 26639, 42415, 79917, 127245, 133195, 399585, 781933, 2345799, 3909665, 11728995, 13292861, 39878583, 66464305, 199392915]

約数ペア:

[(1, 199392915), (3, 66464305), (5, 39878583), (15, 13292861), (17, 11728995), (51, 3909665), (85, 2345799), (255, 781933), (499, 399585), (1497, 133195), (1567, 127245), (2495, 79917), (4701, 42415), (7485, 26639), (7835, 25449), (8483, 23505)]