881720985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{48221}}^1$

素因数の和:48305

約数の個数: 32

約数和(自身を含む): 1499897088

約数和(自身を除く): 618176103

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 1219, 3657, 6095, 18285, 48221, 144663, 241105, 723315, 1109083, 2555713, 3327249, 5545415, 7667139, 12778565, 16636245, 38335695, 58781399, 176344197, 293906995, 881720985]

約数ペア:

[(1, 881720985), (3, 293906995), (5, 176344197), (15, 58781399), (23, 38335695), (53, 16636245), (69, 12778565), (115, 7667139), (159, 5545415), (265, 3327249), (345, 2555713), (795, 1109083), (1219, 723315), (3657, 241105), (6095, 144663), (18285, 48221)]