138775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:91

約数の個数: 24

約数和(自身を含む): 215264

約数和(自身を除く): 76489

約数列:

[1, 5, 7, 13, 25, 35, 61, 65, 91, 175, 305, 325, 427, 455, 793, 1525, 2135, 2275, 3965, 5551, 10675, 19825, 27755, 138775]

約数ペア:

[(1, 138775), (5, 27755), (7, 19825), (13, 10675), (25, 5551), (35, 3965), (61, 2275), (65, 2135), (91, 1525), (175, 793), (305, 455), (325, 427)]