80821917

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 131751360

約数和(自身を除く): 50929443

約数列:

[1, 3, 9, 11, 33, 59, 99, 101, 137, 177, 303, 411, 531, 649, 909, 1111, 1233, 1507, 1947, 3333, 4521, 5841, 5959, 8083, 9999, 13563, 13837, 17877, 24249, 41511, 53631, 65549, 72747, 88913, 124533, 152207, 196647, 266739, 456621, 589941, 800217, 816383, 1369863, 2449149, 7347447, 8980213, 26940639, 80821917]

約数ペア:

[(1, 80821917), (3, 26940639), (9, 8980213), (11, 7347447), (33, 2449149), (59, 1369863), (99, 816383), (101, 800217), (137, 589941), (177, 456621), (303, 266739), (411, 196647), (531, 152207), (649, 124533), (909, 88913), (1111, 72747), (1233, 65549), (1507, 53631), (1947, 41511), (3333, 24249), (4521, 17877), (5841, 13837), (5959, 13563), (8083, 9999)]