3923640187515

素因数分解:

$3^4\times 5^1\times {\mathrm{25703}}^1\times {\mathrm{376921}}^1$

素因数の和:402641

約数の個数: 40

約数和(自身を含む): 7033780641888

約数和(自身を除く): 3110140454373

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 25703, 77109, 128515, 231327, 376921, 385545, 693981, 1130763, 1156635, 1884605, 2081943, 3392289, 3469905, 5653815, 10176867, 10409715, 16961445, 30530601, 50884335, 152653005, 9688000463, 29064001389, 48440002315, 87192004167, 145320006945, 261576012501, 435960020835, 784728037503, 1307880062505, 3923640187515]

約数ペア:

[(1, 3923640187515), (3, 1307880062505), (5, 784728037503), (9, 435960020835), (15, 261576012501), (27, 145320006945), (45, 87192004167), (81, 48440002315), (135, 29064001389), (405, 9688000463), (25703, 152653005), (77109, 50884335), (128515, 30530601), (231327, 16961445), (376921, 10409715), (385545, 10176867), (693981, 5653815), (1130763, 3469905), (1156635, 3392289), (1884605, 2081943)]