81474174

素因数分解:

$2^1\times 3^4\times {\mathrm{137}}^1\times {\mathrm{3671}}^1$

素因数の和:3822

約数の個数: 40

約数和(自身を含む): 183945168

約数和(自身を除く): 102470994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 137, 162, 274, 411, 822, 1233, 2466, 3671, 3699, 7342, 7398, 11013, 11097, 22026, 22194, 33039, 66078, 99117, 198234, 297351, 502927, 594702, 1005854, 1508781, 3017562, 4526343, 9052686, 13579029, 27158058, 40737087, 81474174]

約数ペア:

[(1, 81474174), (2, 40737087), (3, 27158058), (6, 13579029), (9, 9052686), (18, 4526343), (27, 3017562), (54, 1508781), (81, 1005854), (137, 594702), (162, 502927), (274, 297351), (411, 198234), (822, 99117), (1233, 66078), (2466, 33039), (3671, 22194), (3699, 22026), (7342, 11097), (7398, 11013)]