26988315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 45467136

約数和(自身を除く): 18478821

約数列:

[1, 3, 5, 15, 23, 69, 115, 137, 345, 411, 571, 685, 1713, 2055, 2855, 3151, 8565, 9453, 13133, 15755, 39399, 47265, 65665, 78227, 196995, 234681, 391135, 1173405, 1799221, 5397663, 8996105, 26988315]

約数ペア:

[(1, 26988315), (3, 8996105), (5, 5397663), (15, 1799221), (23, 1173405), (69, 391135), (115, 234681), (137, 196995), (345, 78227), (411, 65665), (571, 47265), (685, 39399), (1713, 15755), (2055, 13133), (2855, 9453), (3151, 8565)]