157760421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 269660160

約数和(自身を除く): 111899739

約数列:

[1, 3, 7, 13, 21, 39, 43, 89, 91, 129, 151, 267, 273, 301, 453, 559, 623, 903, 1057, 1157, 1677, 1869, 1963, 3171, 3471, 3827, 3913, 5889, 6493, 8099, 11481, 11739, 13439, 13741, 19479, 24297, 26789, 40317, 41223, 45451, 49751, 80367, 84409, 94073, 136353, 149253, 174707, 253227, 282219, 348257, 524121, 577877, 590863, 1044771, 1222949, 1733631, 1772589, 3668847, 4045139, 7512401, 12135417, 22537203, 52586807, 157760421]

約数ペア:

[(1, 157760421), (3, 52586807), (7, 22537203), (13, 12135417), (21, 7512401), (39, 4045139), (43, 3668847), (89, 1772589), (91, 1733631), (129, 1222949), (151, 1044771), (267, 590863), (273, 577877), (301, 524121), (453, 348257), (559, 282219), (623, 253227), (903, 174707), (1057, 149253), (1157, 136353), (1677, 94073), (1869, 84409), (1963, 80367), (3171, 49751), (3471, 45451), (3827, 41223), (3913, 40317), (5889, 26789), (6493, 24297), (8099, 19479), (11481, 13741), (11739, 13439)]