81662823

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 135023616

約数和(自身を除く): 53360793

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 137, 223, 243, 297, 411, 669, 891, 1233, 1507, 2007, 2453, 2673, 3699, 4521, 6021, 7359, 11097, 13563, 18063, 22077, 30551, 33291, 40689, 54189, 66231, 91653, 122067, 198693, 274959, 336061, 366201, 596079, 824877, 1008183, 2474631, 3024549, 7423893, 9073647, 27220941, 81662823]

約数ペア:

[(1, 81662823), (3, 27220941), (9, 9073647), (11, 7423893), (27, 3024549), (33, 2474631), (81, 1008183), (99, 824877), (137, 596079), (223, 366201), (243, 336061), (297, 274959), (411, 198693), (669, 122067), (891, 91653), (1233, 66231), (1507, 54189), (2007, 40689), (2453, 33291), (2673, 30551), (3699, 22077), (4521, 18063), (6021, 13563), (7359, 11097)]