81725931

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2579}}^1$

素因数の和:3095

約数の個数: 24

約数和(自身を含む): 135233280

約数和(自身を除く): 53507349

約数列:

[1, 3, 7, 9, 21, 63, 503, 1509, 2579, 3521, 4527, 7737, 10563, 18053, 23211, 31689, 54159, 162477, 1297237, 3891711, 9080659, 11675133, 27241977, 81725931]

約数ペア:

[(1, 81725931), (3, 27241977), (7, 11675133), (9, 9080659), (21, 3891711), (63, 1297237), (503, 162477), (1509, 54159), (2579, 31689), (3521, 23211), (4527, 18053), (7737, 10563)]