72142707

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{659}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 118863360

約数和(自身を除く): 46720653

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 401, 659, 1203, 1977, 2807, 4613, 5213, 8421, 8567, 13839, 15639, 25701, 36491, 59969, 109473, 179907, 264259, 792777, 1849813, 3435367, 5549439, 10306101, 24047569, 72142707]

約数ペア:

[(1, 72142707), (3, 24047569), (7, 10306101), (13, 5549439), (21, 3435367), (39, 1849813), (91, 792777), (273, 264259), (401, 179907), (659, 109473), (1203, 59969), (1977, 36491), (2807, 25701), (4613, 15639), (5213, 13839), (8421, 8567)]