77742015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20983}}^1$

素因数の和:21023

約数の個数: 32

約数和(自身を含む): 141012480

約数和(自身を除く): 63270465

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 20983, 62949, 104915, 272779, 314745, 398677, 818337, 1196031, 1363895, 1993385, 4091685, 5182801, 5980155, 15548403, 25914005, 77742015]

約数ペア:

[(1, 77742015), (3, 25914005), (5, 15548403), (13, 5980155), (15, 5182801), (19, 4091685), (39, 1993385), (57, 1363895), (65, 1196031), (95, 818337), (195, 398677), (247, 314745), (285, 272779), (741, 104915), (1235, 62949), (3705, 20983)]