128536821

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11149}}^1$

素因数の和:11226

約数の個数: 32

約数和(自身を含む): 221216000

約数和(自身を除く): 92679179

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3843, 11149, 11529, 33447, 78043, 100341, 234129, 301023, 680089, 702387, 2040267, 2107161, 4760623, 6120801, 14281869, 18362403, 42845607, 128536821]

約数ペア:

[(1, 128536821), (3, 42845607), (7, 18362403), (9, 14281869), (21, 6120801), (27, 4760623), (61, 2107161), (63, 2040267), (183, 702387), (189, 680089), (427, 301023), (549, 234129), (1281, 100341), (1647, 78043), (3843, 33447), (11149, 11529)]