25281009

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1249}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 39585000

約数和(自身を除く): 14303991

約数列:

[1, 3, 9, 13, 39, 117, 173, 519, 1249, 1557, 2249, 3747, 6747, 11241, 16237, 20241, 48711, 146133, 216077, 648231, 1944693, 2809001, 8427003, 25281009]

約数ペア:

[(1, 25281009), (3, 8427003), (9, 2809001), (13, 1944693), (39, 648231), (117, 216077), (173, 146133), (519, 48711), (1249, 20241), (1557, 16237), (2249, 11241), (3747, 6747)]