680440969557

素因数分解:

$3^6\times {\mathrm{1579}}^1\times {\mathrm{591127}}^1$

素因数の和:592724

約数の個数: 28

約数和(自身を含む): 1020842588320

約数和(自身を除く): 340401618763

約数列:

[1, 3, 9, 27, 81, 243, 729, 1579, 4737, 14211, 42633, 127899, 383697, 591127, 1151091, 1773381, 5320143, 15960429, 47881287, 143643861, 430931583, 933389533, 2800168599, 8400505797, 25201517391, 75604552173, 226813656519, 680440969557]

約数ペア:

[(1, 680440969557), (3, 226813656519), (9, 75604552173), (27, 25201517391), (81, 8400505797), (243, 2800168599), (729, 933389533), (1579, 430931583), (4737, 143643861), (14211, 47881287), (42633, 15960429), (127899, 5320143), (383697, 1773381), (591127, 1151091)]