80820531

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{541}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 131120640

約数和(自身を除く): 50300109

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 503, 541, 1509, 1623, 4527, 4869, 5533, 5951, 13581, 14607, 16599, 17853, 49797, 53559, 149391, 160677, 272123, 816369, 2449107, 2993353, 7347321, 8980059, 26940177, 80820531]

約数ペア:

[(1, 80820531), (3, 26940177), (9, 8980059), (11, 7347321), (27, 2993353), (33, 2449107), (99, 816369), (297, 272123), (503, 160677), (541, 149391), (1509, 53559), (1623, 49797), (4527, 17853), (4869, 16599), (5533, 14607), (5951, 13581)]