27831825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 58496256

約数和(自身を除く): 30664431

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 41, 45, 63, 75, 105, 123, 175, 205, 225, 287, 315, 369, 431, 525, 615, 861, 1025, 1293, 1435, 1575, 1845, 2155, 2583, 3017, 3075, 3879, 4305, 6465, 7175, 9051, 9225, 10775, 12915, 15085, 17671, 19395, 21525, 27153, 32325, 45255, 53013, 64575, 75425, 88355, 96975, 123697, 135765, 159039, 226275, 265065, 371091, 441775, 618485, 678825, 795195, 1113273, 1325325, 1855455, 3092425, 3975975, 5566365, 9277275, 27831825]

約数ペア:

[(1, 27831825), (3, 9277275), (5, 5566365), (7, 3975975), (9, 3092425), (15, 1855455), (21, 1325325), (25, 1113273), (35, 795195), (41, 678825), (45, 618485), (63, 441775), (75, 371091), (105, 265065), (123, 226275), (175, 159039), (205, 135765), (225, 123697), (287, 96975), (315, 88355), (369, 75425), (431, 64575), (525, 53013), (615, 45255), (861, 32325), (1025, 27153), (1293, 21525), (1435, 19395), (1575, 17671), (1845, 15085), (2155, 12915), (2583, 10775), (3017, 9225), (3075, 9051), (3879, 7175), (4305, 6465)]