308897145

素因数分解:

$3^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{929}}^1$

素因数の和:1767

約数の個数: 40

約数和(自身を含む): 554997960

約数和(自身を除く): 246100815

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 821, 929, 2463, 2787, 4105, 4645, 7389, 8361, 12315, 13935, 22167, 25083, 36945, 41805, 66501, 75249, 110835, 125415, 332505, 376245, 762709, 2288127, 3813545, 6864381, 11440635, 20593143, 34321905, 61779429, 102965715, 308897145]

約数ペア:

[(1, 308897145), (3, 102965715), (5, 61779429), (9, 34321905), (15, 20593143), (27, 11440635), (45, 6864381), (81, 3813545), (135, 2288127), (405, 762709), (821, 376245), (929, 332505), (2463, 125415), (2787, 110835), (4105, 75249), (4645, 66501), (7389, 41805), (8361, 36945), (12315, 25083), (13935, 22167)]