139890723

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 216953856

約数和(自身を除く): 77063133

約数列:

[1, 3, 7, 21, 113, 167, 339, 353, 501, 791, 1059, 1169, 2373, 2471, 3507, 7413, 18871, 39889, 56613, 58951, 119667, 132097, 176853, 279223, 396291, 412657, 837669, 1237971, 6661463, 19984389, 46630241, 139890723]

約数ペア:

[(1, 139890723), (3, 46630241), (7, 19984389), (21, 6661463), (113, 1237971), (167, 837669), (339, 412657), (353, 396291), (501, 279223), (791, 176853), (1059, 132097), (1169, 119667), (2373, 58951), (2471, 56613), (3507, 39889), (7413, 18871)]