72578565

素因数分解:

$3^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1523}}^1$

素因数の和:1890

約数の個数: 32

約数和(自身を含む): 129479040

約数和(自身を除く): 56900475

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 353, 1059, 1523, 1765, 3177, 4569, 5295, 7615, 9531, 13707, 15885, 22845, 41121, 47655, 68535, 205605, 537619, 1612857, 2688095, 4838571, 8064285, 14515713, 24192855, 72578565]

約数ペア:

[(1, 72578565), (3, 24192855), (5, 14515713), (9, 8064285), (15, 4838571), (27, 2688095), (45, 1612857), (135, 537619), (353, 205605), (1059, 68535), (1523, 47655), (1765, 41121), (3177, 22845), (4569, 15885), (5295, 13707), (7615, 9531)]