27628125

素因数分解:

$3^1\times 5^5\times 7^1\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 52746624

約数和(自身を除く): 25118499

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 421, 525, 625, 875, 1263, 1875, 2105, 2625, 2947, 3125, 4375, 6315, 8841, 9375, 10525, 13125, 14735, 21875, 31575, 44205, 52625, 65625, 73675, 157875, 221025, 263125, 368375, 789375, 1105125, 1315625, 1841875, 3946875, 5525625, 9209375, 27628125]

約数ペア:

[(1, 27628125), (3, 9209375), (5, 5525625), (7, 3946875), (15, 1841875), (21, 1315625), (25, 1105125), (35, 789375), (75, 368375), (105, 263125), (125, 221025), (175, 157875), (375, 73675), (421, 65625), (525, 52625), (625, 44205), (875, 31575), (1263, 21875), (1875, 14735), (2105, 13125), (2625, 10525), (2947, 9375), (3125, 8841), (4375, 6315)]