78520065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21193}}^1$

素因数の和:21233

約数の個数: 32

約数和(自身を含む): 142423680

約数和(自身を除く): 63903615

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 21193, 63579, 105965, 275509, 317895, 402667, 826527, 1208001, 1377545, 2013335, 4132635, 5234671, 6040005, 15704013, 26173355, 78520065]

約数ペア:

[(1, 78520065), (3, 26173355), (5, 15704013), (13, 6040005), (15, 5234671), (19, 4132635), (39, 2013335), (57, 1377545), (65, 1208001), (95, 826527), (195, 402667), (247, 317895), (285, 275509), (741, 105965), (1235, 63579), (3705, 21193)]