217860903

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{9749}}^1$

素因数の和:9959

約数の個数: 24

約数和(自身を含む): 340704000

約数和(自身を除く): 122843097

約数列:

[1, 3, 9, 13, 39, 117, 191, 573, 1719, 2483, 7449, 9749, 22347, 29247, 87741, 126737, 380211, 1140633, 1862059, 5586177, 16758531, 24206767, 72620301, 217860903]

約数ペア:

[(1, 217860903), (3, 72620301), (9, 24206767), (13, 16758531), (39, 5586177), (117, 1862059), (191, 1140633), (573, 380211), (1719, 126737), (2483, 87741), (7449, 29247), (9749, 22347)]