26990205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4421}}^1$

素因数の和:4477

約数の個数: 32

約数和(自身を含む): 48394368

約数和(自身を除く): 21404163

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 4421, 6105, 13263, 22105, 48631, 66315, 145893, 163577, 243155, 490731, 729465, 817885, 1799347, 2453655, 5398041, 8996735, 26990205]

約数ペア:

[(1, 26990205), (3, 8996735), (5, 5398041), (11, 2453655), (15, 1799347), (33, 817885), (37, 729465), (55, 490731), (111, 243155), (165, 163577), (185, 145893), (407, 66315), (555, 48631), (1221, 22105), (2035, 13263), (4421, 6105)]