13013721

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 23587200

約数和(自身を除く): 10573479

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 203, 261, 357, 419, 493, 609, 1071, 1257, 1479, 1827, 2933, 3451, 3771, 4437, 7123, 8799, 10353, 12151, 21369, 26397, 31059, 36453, 49861, 64107, 85057, 109359, 149583, 206567, 255171, 448749, 619701, 765513, 1445969, 1859103, 4337907, 13013721]

約数ペア:

[(1, 13013721), (3, 4337907), (7, 1859103), (9, 1445969), (17, 765513), (21, 619701), (29, 448749), (51, 255171), (63, 206567), (87, 149583), (119, 109359), (153, 85057), (203, 64107), (261, 49861), (357, 36453), (419, 31059), (493, 26397), (609, 21369), (1071, 12151), (1257, 10353), (1479, 8799), (1827, 7123), (2933, 4437), (3451, 3771)]