1391265

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 2471040

約数和(自身を除く): 1079775

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 719, 1935, 2157, 3595, 6471, 10785, 30917, 32355, 92751, 154585, 278253, 463755, 1391265]

約数ペア:

[(1, 1391265), (3, 463755), (5, 278253), (9, 154585), (15, 92751), (43, 32355), (45, 30917), (129, 10785), (215, 6471), (387, 3595), (645, 2157), (719, 1935)]