72208179

素因数分解:

$3^7\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 109538880

約数和(自身を除く): 37330701

約数列:

[1, 3, 9, 27, 81, 137, 241, 243, 411, 723, 729, 1233, 2169, 2187, 3699, 6507, 11097, 19521, 33017, 33291, 58563, 99051, 99873, 175689, 297153, 299619, 527067, 891459, 2674377, 8023131, 24069393, 72208179]

約数ペア:

[(1, 72208179), (3, 24069393), (9, 8023131), (27, 2674377), (81, 891459), (137, 527067), (241, 299619), (243, 297153), (411, 175689), (723, 99873), (729, 99051), (1233, 58563), (2169, 33291), (2187, 33017), (3699, 19521), (6507, 11097)]