1972815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 3472896

約数和(自身を除く): 1500081

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 151, 195, 201, 335, 453, 755, 871, 1005, 1963, 2265, 2613, 4355, 5889, 9815, 10117, 13065, 29445, 30351, 50585, 131521, 151755, 394563, 657605, 1972815]

約数ペア:

[(1, 1972815), (3, 657605), (5, 394563), (13, 151755), (15, 131521), (39, 50585), (65, 30351), (67, 29445), (151, 13065), (195, 10117), (201, 9815), (335, 5889), (453, 4355), (755, 2613), (871, 2265), (1005, 1963)]