320050845

素因数分解:

$3^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1087}}^1$

素因数の和:1831

約数の個数: 40

約数和(自身を含む): 575038464

約数和(自身を除く): 254987619

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 727, 1087, 2181, 3261, 3635, 5435, 6543, 9783, 10905, 16305, 19629, 29349, 32715, 48915, 58887, 88047, 98145, 146745, 294435, 440235, 790249, 2370747, 3951245, 7112241, 11853735, 21336723, 35561205, 64010169, 106683615, 320050845]

約数ペア:

[(1, 320050845), (3, 106683615), (5, 64010169), (9, 35561205), (15, 21336723), (27, 11853735), (45, 7112241), (81, 3951245), (135, 2370747), (405, 790249), (727, 440235), (1087, 294435), (2181, 146745), (3261, 98145), (3635, 88047), (5435, 58887), (6543, 48915), (9783, 32715), (10905, 29349), (16305, 19629)]