12928113

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 23040000

約数和(自身を除く): 10111887

約数列:

[1, 3, 9, 11, 19, 27, 29, 33, 57, 79, 87, 99, 171, 209, 237, 261, 297, 319, 513, 551, 627, 711, 783, 869, 957, 1501, 1653, 1881, 2133, 2291, 2607, 2871, 4503, 4959, 5643, 6061, 6873, 7821, 8613, 13509, 14877, 16511, 18183, 20619, 23463, 25201, 40527, 43529, 49533, 54549, 61857, 75603, 130587, 148599, 163647, 226809, 391761, 445797, 478819, 680427, 1175283, 1436457, 4309371, 12928113]

約数ペア:

[(1, 12928113), (3, 4309371), (9, 1436457), (11, 1175283), (19, 680427), (27, 478819), (29, 445797), (33, 391761), (57, 226809), (79, 163647), (87, 148599), (99, 130587), (171, 75603), (209, 61857), (237, 54549), (261, 49533), (297, 43529), (319, 40527), (513, 25201), (551, 23463), (627, 20619), (711, 18183), (783, 16511), (869, 14877), (957, 13509), (1501, 8613), (1653, 7821), (1881, 6873), (2133, 6061), (2291, 5643), (2607, 4959), (2871, 4503)]