161400438

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{26927}}^1$

素因数の和:26978

約数の個数: 40

約数和(自身を含む): 371444832

約数和(自身を除く): 210044394

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 5994, 26927, 53854, 80781, 161562, 242343, 484686, 727029, 996299, 1454058, 1992598, 2181087, 2988897, 4362174, 5977794, 8966691, 17933382, 26900073, 53800146, 80700219, 161400438]

約数ペア:

[(1, 161400438), (2, 80700219), (3, 53800146), (6, 26900073), (9, 17933382), (18, 8966691), (27, 5977794), (37, 4362174), (54, 2988897), (74, 2181087), (81, 1992598), (111, 1454058), (162, 996299), (222, 727029), (333, 484686), (666, 242343), (999, 161562), (1998, 80781), (2997, 53854), (5994, 26927)]