81748375

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 106419456

約数和(自身を除く): 24671081

約数列:

[1, 5, 25, 43, 67, 125, 215, 227, 335, 1075, 1135, 1675, 2881, 5375, 5675, 8375, 9761, 14405, 15209, 28375, 48805, 72025, 76045, 244025, 360125, 380225, 653987, 1220125, 1901125, 3269935, 16349675, 81748375]

約数ペア:

[(1, 81748375), (5, 16349675), (25, 3269935), (43, 1901125), (67, 1220125), (125, 653987), (215, 380225), (227, 360125), (335, 244025), (1075, 76045), (1135, 72025), (1675, 48805), (2881, 28375), (5375, 15209), (5675, 14405), (8375, 9761)]