661183155

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{44123}}^1$

素因数の和:44177

約数の個数: 40

約数和(自身を含む): 1217292912

約数和(自身を除く): 556109757

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 333, 405, 555, 999, 1665, 2997, 4995, 14985, 44123, 132369, 220615, 397107, 661845, 1191321, 1632551, 1985535, 3573963, 4897653, 5956605, 8162755, 14692959, 17869815, 24488265, 44078877, 73464795, 132236631, 220394385, 661183155]

約数ペア:

[(1, 661183155), (3, 220394385), (5, 132236631), (9, 73464795), (15, 44078877), (27, 24488265), (37, 17869815), (45, 14692959), (81, 8162755), (111, 5956605), (135, 4897653), (185, 3573963), (333, 1985535), (405, 1632551), (555, 1191321), (999, 661845), (1665, 397107), (2997, 220615), (4995, 132369), (14985, 44123)]