640062

素因数分解:

$2^1\times 3^6\times {\mathrm{439}}^1$

素因数の和:459

約数の個数: 28

約数和(自身を含む): 1442760

約数和(自身を除く): 802698

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 439, 486, 729, 878, 1317, 1458, 2634, 3951, 7902, 11853, 23706, 35559, 71118, 106677, 213354, 320031, 640062]

約数ペア:

[(1, 640062), (2, 320031), (3, 213354), (6, 106677), (9, 71118), (18, 35559), (27, 23706), (54, 11853), (81, 7902), (162, 3951), (243, 2634), (439, 1458), (486, 1317), (729, 878)]