1377857775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2731}}^1$

素因数の和:2813

約数の個数: 72

約数和(自身を含む): 2691172992

約数和(自身を除く): 1313315217

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 93, 105, 155, 175, 217, 465, 525, 651, 775, 961, 1085, 2325, 2731, 2883, 3255, 4805, 5425, 6727, 8193, 13655, 14415, 16275, 19117, 20181, 24025, 33635, 40965, 57351, 68275, 72075, 84661, 95585, 100905, 168175, 204825, 253983, 286755, 423305, 477925, 504525, 592627, 1269915, 1433775, 1777881, 2116525, 2624491, 2963135, 6349575, 7873473, 8889405, 13122455, 14815675, 18371437, 39367365, 44447025, 55114311, 65612275, 91857185, 196836825, 275571555, 459285925, 1377857775]

約数ペア:

[(1, 1377857775), (3, 459285925), (5, 275571555), (7, 196836825), (15, 91857185), (21, 65612275), (25, 55114311), (31, 44447025), (35, 39367365), (75, 18371437), (93, 14815675), (105, 13122455), (155, 8889405), (175, 7873473), (217, 6349575), (465, 2963135), (525, 2624491), (651, 2116525), (775, 1777881), (961, 1433775), (1085, 1269915), (2325, 592627), (2731, 504525), (2883, 477925), (3255, 423305), (4805, 286755), (5425, 253983), (6727, 204825), (8193, 168175), (13655, 100905), (14415, 95585), (16275, 84661), (19117, 72075), (20181, 68275), (24025, 57351), (33635, 40965)]