157068891

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 265636800

約数和(自身を除く): 108567909

約数列:

[1, 3, 7, 9, 21, 63, 89, 109, 257, 267, 327, 623, 763, 771, 801, 981, 1799, 1869, 2289, 2313, 5397, 5607, 6867, 9701, 16191, 22873, 28013, 29103, 67907, 68619, 84039, 87309, 160111, 196091, 203721, 205857, 252117, 480333, 588273, 611163, 1440999, 1764819, 2493157, 7479471, 17452099, 22438413, 52356297, 157068891]

約数ペア:

[(1, 157068891), (3, 52356297), (7, 22438413), (9, 17452099), (21, 7479471), (63, 2493157), (89, 1764819), (109, 1440999), (257, 611163), (267, 588273), (327, 480333), (623, 252117), (763, 205857), (771, 203721), (801, 196091), (981, 160111), (1799, 87309), (1869, 84039), (2289, 68619), (2313, 67907), (5397, 29103), (5607, 28013), (6867, 22873), (9701, 16191)]