399492

素因数分解:

$2^2\times 3^6\times {\mathrm{137}}^1$

素因数の和:159

約数の個数: 42

約数和(自身を含む): 1055838

約数和(自身を除く): 656346

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 137, 162, 243, 274, 324, 411, 486, 548, 729, 822, 972, 1233, 1458, 1644, 2466, 2916, 3699, 4932, 7398, 11097, 14796, 22194, 33291, 44388, 66582, 99873, 133164, 199746, 399492]

約数ペア:

[(1, 399492), (2, 199746), (3, 133164), (4, 99873), (6, 66582), (9, 44388), (12, 33291), (18, 22194), (27, 14796), (36, 11097), (54, 7398), (81, 4932), (108, 3699), (137, 2916), (162, 2466), (243, 1644), (274, 1458), (324, 1233), (411, 972), (486, 822), (548, 729)]