138125625

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 259267008

約数和(自身を除く): 121141383

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 125, 165, 181, 185, 275, 375, 407, 543, 555, 625, 825, 905, 925, 1221, 1375, 1875, 1991, 2035, 2715, 2775, 4125, 4525, 4625, 5973, 6105, 6697, 6875, 9955, 10175, 13575, 13875, 20091, 20625, 22625, 23125, 29865, 30525, 33485, 49775, 50875, 67875, 69375, 73667, 100455, 113125, 149325, 152625, 167425, 221001, 248875, 254375, 339375, 368335, 502275, 746625, 763125, 837125, 1105005, 1244375, 1841675, 2511375, 3733125, 4185625, 5525025, 9208375, 12556875, 27625125, 46041875, 138125625]

約数ペア:

[(1, 138125625), (3, 46041875), (5, 27625125), (11, 12556875), (15, 9208375), (25, 5525025), (33, 4185625), (37, 3733125), (55, 2511375), (75, 1841675), (111, 1244375), (125, 1105005), (165, 837125), (181, 763125), (185, 746625), (275, 502275), (375, 368335), (407, 339375), (543, 254375), (555, 248875), (625, 221001), (825, 167425), (905, 152625), (925, 149325), (1221, 113125), (1375, 100455), (1875, 73667), (1991, 69375), (2035, 67875), (2715, 50875), (2775, 49775), (4125, 33485), (4525, 30525), (4625, 29865), (5973, 23125), (6105, 22625), (6697, 20625), (6875, 20091), (9955, 13875), (10175, 13575)]