280090503

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1039}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 506188800

約数和(自身を除く): 226098297

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 389, 693, 1039, 1167, 2723, 3117, 3501, 4279, 7273, 8169, 9351, 11429, 12837, 21819, 24507, 29953, 34287, 38511, 65457, 80003, 89859, 102861, 240009, 269577, 404171, 720027, 1212513, 2829197, 3637539, 4445881, 8487591, 13337643, 25462773, 31121167, 40012929, 93363501, 280090503]

約数ペア:

[(1, 280090503), (3, 93363501), (7, 40012929), (9, 31121167), (11, 25462773), (21, 13337643), (33, 8487591), (63, 4445881), (77, 3637539), (99, 2829197), (231, 1212513), (389, 720027), (693, 404171), (1039, 269577), (1167, 240009), (2723, 102861), (3117, 89859), (3501, 80003), (4279, 65457), (7273, 38511), (8169, 34287), (9351, 29953), (11429, 24507), (12837, 21819)]