81673921

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1523}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 95975424

約数和(自身を除く): 14301503

約数列:

[1, 7, 47, 163, 329, 1141, 1523, 7661, 10661, 53627, 71581, 248249, 501067, 1737743, 11667703, 81673921]

約数ペア:

[(1, 81673921), (7, 11667703), (47, 1737743), (163, 501067), (329, 248249), (1141, 71581), (1523, 53627), (7661, 10661)]