30840645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 54080640

約数和(自身を除く): 23239995

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 409, 457, 1227, 1371, 2045, 2285, 4499, 5027, 6135, 6855, 13497, 15081, 22495, 25135, 67485, 75405, 186913, 560739, 934565, 2056043, 2803695, 6168129, 10280215, 30840645]

約数ペア:

[(1, 30840645), (3, 10280215), (5, 6168129), (11, 2803695), (15, 2056043), (33, 934565), (55, 560739), (165, 186913), (409, 75405), (457, 67485), (1227, 25135), (1371, 22495), (2045, 15081), (2285, 13497), (4499, 6855), (5027, 6135)]