3981390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{18959}}^1$

素因数の和:18976

約数の個数: 32

約数和(自身を含む): 10920960

約数和(自身を除く): 6939570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 18959, 37918, 56877, 94795, 113754, 132713, 189590, 265426, 284385, 398139, 568770, 663565, 796278, 1327130, 1990695, 3981390]

約数ペア:

[(1, 3981390), (2, 1990695), (3, 1327130), (5, 796278), (6, 663565), (7, 568770), (10, 398139), (14, 284385), (15, 265426), (21, 189590), (30, 132713), (35, 113754), (42, 94795), (70, 56877), (105, 37918), (210, 18959)]