194445

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 351000

約数和(自身を除く): 156555

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 149, 261, 435, 447, 745, 1305, 1341, 2235, 4321, 6705, 12963, 21605, 38889, 64815, 194445]

約数ペア:

[(1, 194445), (3, 64815), (5, 38889), (9, 21605), (15, 12963), (29, 6705), (45, 4321), (87, 2235), (145, 1341), (149, 1305), (261, 745), (435, 447)]