28170375

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1808

約数の個数: 32

約数和(自身を含む): 47993088

約数和(自身を除く): 19822713

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 645, 1075, 1747, 3225, 5241, 5375, 8735, 16125, 26205, 43675, 75121, 131025, 218375, 225363, 375605, 655125, 1126815, 1878025, 5634075, 9390125, 28170375]

約数ペア:

[(1, 28170375), (3, 9390125), (5, 5634075), (15, 1878025), (25, 1126815), (43, 655125), (75, 375605), (125, 225363), (129, 218375), (215, 131025), (375, 75121), (645, 43675), (1075, 26205), (1747, 16125), (3225, 8735), (5241, 5375)]