71042205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2621}}^1$

素因数の和:2781

約数の個数: 32

約数和(自身を含む): 123338880

約数和(自身を除く): 52296675

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1807, 2085, 2621, 5421, 7863, 9035, 13105, 27105, 34073, 39315, 102219, 170365, 364319, 511095, 1092957, 1821595, 4736147, 5464785, 14208441, 23680735, 71042205]

約数ペア:

[(1, 71042205), (3, 23680735), (5, 14208441), (13, 5464785), (15, 4736147), (39, 1821595), (65, 1092957), (139, 511095), (195, 364319), (417, 170365), (695, 102219), (1807, 39315), (2085, 34073), (2621, 27105), (5421, 13105), (7863, 9035)]