357428981

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 455616000

約数和(自身を除く): 98187019

約数列:

[1, 7, 13, 49, 71, 91, 343, 497, 637, 923, 1129, 3479, 4459, 6461, 7903, 14677, 24353, 45227, 55321, 80159, 102739, 316589, 387247, 561113, 719173, 1042067, 3927791, 5034211, 7294469, 27494537, 51061283, 357428981]

約数ペア:

[(1, 357428981), (7, 51061283), (13, 27494537), (49, 7294469), (71, 5034211), (91, 3927791), (343, 1042067), (497, 719173), (637, 561113), (923, 387247), (1129, 316589), (3479, 102739), (4459, 80159), (6461, 55321), (7903, 45227), (14677, 24353)]