231931875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 453454848

約数和(自身を除く): 221522973

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 75, 105, 123, 125, 175, 205, 287, 375, 431, 525, 615, 625, 861, 875, 1025, 1293, 1435, 1875, 2155, 2625, 3017, 3075, 4305, 4375, 5125, 6465, 7175, 9051, 10775, 13125, 15085, 15375, 17671, 21525, 25625, 32325, 35875, 45255, 53013, 53875, 75425, 76875, 88355, 107625, 123697, 161625, 179375, 226275, 265065, 269375, 371091, 377125, 441775, 538125, 618485, 808125, 1131375, 1325325, 1855455, 1885625, 2208875, 3092425, 5656875, 6626625, 9277275, 11044375, 15462125, 33133125, 46386375, 77310625, 231931875]

約数ペア:

[(1, 231931875), (3, 77310625), (5, 46386375), (7, 33133125), (15, 15462125), (21, 11044375), (25, 9277275), (35, 6626625), (41, 5656875), (75, 3092425), (105, 2208875), (123, 1885625), (125, 1855455), (175, 1325325), (205, 1131375), (287, 808125), (375, 618485), (431, 538125), (525, 441775), (615, 377125), (625, 371091), (861, 269375), (875, 265065), (1025, 226275), (1293, 179375), (1435, 161625), (1875, 123697), (2155, 107625), (2625, 88355), (3017, 76875), (3075, 75425), (4305, 53875), (4375, 53013), (5125, 45255), (6465, 35875), (7175, 32325), (9051, 25625), (10775, 21525), (13125, 17671), (15085, 15375)]