31144347

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 51236640

約数和(自身を除く): 20092293

約数列:

[1, 3, 9, 13, 29, 39, 67, 87, 117, 137, 201, 261, 377, 411, 603, 871, 1131, 1233, 1781, 1943, 2613, 3393, 3973, 5343, 5829, 7839, 9179, 11919, 16029, 17487, 25259, 27537, 35757, 51649, 75777, 82611, 119327, 154947, 227331, 266191, 357981, 464841, 798573, 1073943, 2395719, 3460483, 10381449, 31144347]

約数ペア:

[(1, 31144347), (3, 10381449), (9, 3460483), (13, 2395719), (29, 1073943), (39, 798573), (67, 464841), (87, 357981), (117, 266191), (137, 227331), (201, 154947), (261, 119327), (377, 82611), (411, 75777), (603, 51649), (871, 35757), (1131, 27537), (1233, 25259), (1781, 17487), (1943, 16029), (2613, 11919), (3393, 9179), (3973, 7839), (5343, 5829)]