287496729

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{3673}}^1$

素因数の和:3918

約数の個数: 32

約数和(自身を含む): 460866560

約数和(自身を除く): 173369831

約数列:

[1, 3, 9, 13, 27, 39, 117, 223, 351, 669, 2007, 2899, 3673, 6021, 8697, 11019, 26091, 33057, 47749, 78273, 99171, 143247, 429741, 819079, 1289223, 2457237, 7371711, 10648027, 22115133, 31944081, 95832243, 287496729]

約数ペア:

[(1, 287496729), (3, 95832243), (9, 31944081), (13, 22115133), (27, 10648027), (39, 7371711), (117, 2457237), (223, 1289223), (351, 819079), (669, 429741), (2007, 143247), (2899, 99171), (3673, 78273), (6021, 47749), (8697, 33057), (11019, 26091)]