78081255

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2083}}^1$

素因数の和:2125

約数の個数: 72

約数和(自身を含む): 166778352

約数和(自身を除く): 88697097

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1785, 2083, 2205, 2499, 4165, 5355, 6249, 7497, 10415, 12495, 14581, 18747, 31245, 35411, 37485, 43743, 72905, 93735, 102067, 106233, 131229, 177055, 218715, 247877, 306201, 318699, 510335, 531165, 656145, 743631, 918603, 1239385, 1531005, 1593495, 1735139, 2230893, 3718155, 4593015, 5205417, 8675695, 11154465, 15616251, 26027085, 78081255]

約数ペア:

[(1, 78081255), (3, 26027085), (5, 15616251), (7, 11154465), (9, 8675695), (15, 5205417), (17, 4593015), (21, 3718155), (35, 2230893), (45, 1735139), (49, 1593495), (51, 1531005), (63, 1239385), (85, 918603), (105, 743631), (119, 656145), (147, 531165), (153, 510335), (245, 318699), (255, 306201), (315, 247877), (357, 218715), (441, 177055), (595, 131229), (735, 106233), (765, 102067), (833, 93735), (1071, 72905), (1785, 43743), (2083, 37485), (2205, 35411), (2499, 31245), (4165, 18747), (5355, 14581), (6249, 12495), (7497, 10415)]