28217175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 54139392

約数和(自身を除く): 25922217

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 175, 213, 355, 497, 525, 757, 1065, 1491, 1775, 2271, 2485, 3785, 5299, 5325, 7455, 11355, 12425, 15897, 18925, 26495, 37275, 53747, 56775, 79485, 132475, 161241, 268735, 376229, 397425, 806205, 1128687, 1343675, 1881145, 4031025, 5643435, 9405725, 28217175]

約数ペア:

[(1, 28217175), (3, 9405725), (5, 5643435), (7, 4031025), (15, 1881145), (21, 1343675), (25, 1128687), (35, 806205), (71, 397425), (75, 376229), (105, 268735), (175, 161241), (213, 132475), (355, 79485), (497, 56775), (525, 53747), (757, 37275), (1065, 26495), (1491, 18925), (1775, 15897), (2271, 12425), (2485, 11355), (3785, 7455), (5299, 5325)]