27919905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2137}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 48849024

約数和(自身を除く): 20929119

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 2137, 2613, 4355, 6411, 10685, 13065, 27781, 32055, 83343, 138905, 143179, 416715, 429537, 715895, 1861327, 2147685, 5583981, 9306635, 27919905]

約数ペア:

[(1, 27919905), (3, 9306635), (5, 5583981), (13, 2147685), (15, 1861327), (39, 715895), (65, 429537), (67, 416715), (195, 143179), (201, 138905), (335, 83343), (871, 32055), (1005, 27781), (2137, 13065), (2613, 10685), (4355, 6411)]