81609678

素因数分解:

$2^1\times 3^2\times {\mathrm{227}}^1\times {\mathrm{19973}}^1$

素因数の和:20208

約数の個数: 24

約数和(自身を含む): 177608808

約数和(自身を除く): 95999130

約数列:

[1, 2, 3, 6, 9, 18, 227, 454, 681, 1362, 2043, 4086, 19973, 39946, 59919, 119838, 179757, 359514, 4533871, 9067742, 13601613, 27203226, 40804839, 81609678]

約数ペア:

[(1, 81609678), (2, 40804839), (3, 27203226), (6, 13601613), (9, 9067742), (18, 4533871), (227, 359514), (454, 179757), (681, 119838), (1362, 59919), (2043, 39946), (4086, 19973)]