31017525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 65995776

約数和(自身を除く): 34978251

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 41, 55, 75, 77, 105, 123, 131, 165, 175, 205, 231, 275, 287, 385, 393, 451, 525, 615, 655, 825, 861, 917, 1025, 1155, 1353, 1435, 1441, 1925, 1965, 2255, 2751, 3075, 3157, 3275, 4305, 4323, 4585, 5371, 5775, 6765, 7175, 7205, 9471, 9825, 10087, 11275, 13755, 15785, 16113, 21525, 21615, 22925, 26855, 30261, 33825, 36025, 37597, 47355, 50435, 59081, 68775, 78925, 80565, 108075, 112791, 134275, 151305, 177243, 187985, 236775, 252175, 295405, 402825, 413567, 563955, 756525, 886215, 939925, 1240701, 1477025, 2067835, 2819775, 4431075, 6203505, 10339175, 31017525]

約数ペア:

[(1, 31017525), (3, 10339175), (5, 6203505), (7, 4431075), (11, 2819775), (15, 2067835), (21, 1477025), (25, 1240701), (33, 939925), (35, 886215), (41, 756525), (55, 563955), (75, 413567), (77, 402825), (105, 295405), (123, 252175), (131, 236775), (165, 187985), (175, 177243), (205, 151305), (231, 134275), (275, 112791), (287, 108075), (385, 80565), (393, 78925), (451, 68775), (525, 59081), (615, 50435), (655, 47355), (825, 37597), (861, 36025), (917, 33825), (1025, 30261), (1155, 26855), (1353, 22925), (1435, 21615), (1441, 21525), (1925, 16113), (1965, 15785), (2255, 13755), (2751, 11275), (3075, 10087), (3157, 9825), (3275, 9471), (4305, 7205), (4323, 7175), (4585, 6765), (5371, 5775)]