978121899

素因数分解:

$3^6\times {\mathrm{37}}^1\times {\mathrm{36263}}^1$

素因数の和:36318

約数の個数: 28

約数和(自身を含む): 1506188976

約数和(自身を除く): 528067077

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 729, 999, 2997, 8991, 26973, 36263, 108789, 326367, 979101, 1341731, 2937303, 4025193, 8811909, 12075579, 26435727, 36226737, 108680211, 326040633, 978121899]

約数ペア:

[(1, 978121899), (3, 326040633), (9, 108680211), (27, 36226737), (37, 26435727), (81, 12075579), (111, 8811909), (243, 4025193), (333, 2937303), (729, 1341731), (999, 979101), (2997, 326367), (8991, 108789), (26973, 36263)]