15400645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7643}}^1$

素因数の和:7692

約数の個数: 16

約数和(自身を含む): 20547072

約数和(自身を除く): 5146427

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 7643, 38215, 99359, 236933, 496795, 1184665, 3080129, 15400645]

約数ペア:

[(1, 15400645), (5, 3080129), (13, 1184665), (31, 496795), (65, 236933), (155, 99359), (403, 38215), (2015, 7643)]