72906855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 136564704

約数和(自身を除く): 63657849

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 281, 353, 735, 843, 1059, 1405, 1765, 1967, 2471, 4215, 5295, 5901, 7413, 9835, 12355, 13769, 17297, 29505, 37065, 41307, 51891, 68845, 86485, 99193, 206535, 259455, 297579, 495965, 694351, 1487895, 2083053, 3471755, 4860457, 10415265, 14581371, 24302285, 72906855]

約数ペア:

[(1, 72906855), (3, 24302285), (5, 14581371), (7, 10415265), (15, 4860457), (21, 3471755), (35, 2083053), (49, 1487895), (105, 694351), (147, 495965), (245, 297579), (281, 259455), (353, 206535), (735, 99193), (843, 86485), (1059, 68845), (1405, 51891), (1765, 41307), (1967, 37065), (2471, 29505), (4215, 17297), (5295, 13769), (5901, 12355), (7413, 9835)]