61947015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 107122176

約数和(自身を除く): 45175161

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 491, 647, 1473, 1941, 2455, 3235, 6383, 7365, 8411, 9705, 19149, 25233, 31915, 42055, 95745, 126165, 317677, 953031, 1588385, 4129801, 4765155, 12389403, 20649005, 61947015]

約数ペア:

[(1, 61947015), (3, 20649005), (5, 12389403), (13, 4765155), (15, 4129801), (39, 1588385), (65, 953031), (195, 317677), (491, 126165), (647, 95745), (1473, 42055), (1941, 31915), (2455, 25233), (3235, 19149), (6383, 9705), (7365, 8411)]