28446705

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 61152000

約数和(自身を除く): 32705295

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 97, 105, 133, 147, 171, 245, 285, 291, 315, 343, 399, 441, 485, 665, 679, 735, 855, 873, 931, 1029, 1197, 1455, 1715, 1843, 1995, 2037, 2205, 2793, 3087, 3395, 4365, 4655, 4753, 5145, 5529, 5985, 6111, 6517, 8379, 9215, 10185, 12901, 13965, 14259, 15435, 16587, 19551, 23765, 27645, 30555, 32585, 33271, 38703, 41895, 42777, 58653, 64505, 71295, 82935, 90307, 97755, 99813, 116109, 166355, 193515, 213885, 270921, 293265, 299439, 451535, 499065, 580545, 632149, 812763, 1354605, 1497195, 1896447, 3160745, 4063815, 5689341, 9482235, 28446705]

約数ペア:

[(1, 28446705), (3, 9482235), (5, 5689341), (7, 4063815), (9, 3160745), (15, 1896447), (19, 1497195), (21, 1354605), (35, 812763), (45, 632149), (49, 580545), (57, 499065), (63, 451535), (95, 299439), (97, 293265), (105, 270921), (133, 213885), (147, 193515), (171, 166355), (245, 116109), (285, 99813), (291, 97755), (315, 90307), (343, 82935), (399, 71295), (441, 64505), (485, 58653), (665, 42777), (679, 41895), (735, 38703), (855, 33271), (873, 32585), (931, 30555), (1029, 27645), (1197, 23765), (1455, 19551), (1715, 16587), (1843, 15435), (1995, 14259), (2037, 13965), (2205, 12901), (2793, 10185), (3087, 9215), (3395, 8379), (4365, 6517), (4655, 6111), (4753, 5985), (5145, 5529)]