31920021

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1049}}^1$

素因数の和:1095

約数の個数: 48

約数和(自身を含む): 57456000

約数和(自身を除く): 25535979

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 621, 1049, 1127, 1323, 1449, 3147, 3381, 4347, 7343, 9441, 10143, 22029, 24127, 28323, 30429, 51401, 66087, 72381, 154203, 168889, 198261, 217143, 462609, 506667, 651429, 1182223, 1387827, 1520001, 3546669, 4560003, 10640007, 31920021]

約数ペア:

[(1, 31920021), (3, 10640007), (7, 4560003), (9, 3546669), (21, 1520001), (23, 1387827), (27, 1182223), (49, 651429), (63, 506667), (69, 462609), (147, 217143), (161, 198261), (189, 168889), (207, 154203), (441, 72381), (483, 66087), (621, 51401), (1049, 30429), (1127, 28323), (1323, 24127), (1449, 22029), (3147, 10143), (3381, 9441), (4347, 7343)]