16807905

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:947

約数の個数: 40

約数和(自身を含む): 30805632

約数和(自身を除く): 13997727

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 883, 1269, 2115, 2649, 3807, 4415, 6345, 7947, 13245, 19035, 23841, 39735, 41501, 71523, 119205, 124503, 207505, 357615, 373509, 622515, 1120527, 1867545, 3361581, 5602635, 16807905]

約数ペア:

[(1, 16807905), (3, 5602635), (5, 3361581), (9, 1867545), (15, 1120527), (27, 622515), (45, 373509), (47, 357615), (81, 207505), (135, 124503), (141, 119205), (235, 71523), (405, 41501), (423, 39735), (705, 23841), (883, 19035), (1269, 13245), (2115, 7947), (2649, 6345), (3807, 4415)]