156780981

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26759}}^1$

素因数の和:26806

約数の個数: 32

約数和(自身を含む): 274022400

約数和(自身を除く): 117241419

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 26759, 80277, 187313, 240831, 561939, 722493, 829529, 1685817, 2488587, 5057451, 5806703, 7465761, 17420109, 22397283, 52260327, 156780981]

約数ペア:

[(1, 156780981), (3, 52260327), (7, 22397283), (9, 17420109), (21, 7465761), (27, 5806703), (31, 5057451), (63, 2488587), (93, 1685817), (189, 829529), (217, 722493), (279, 561939), (651, 240831), (837, 187313), (1953, 80277), (5859, 26759)]