27528471

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 42282240

約数和(自身を除く): 14753769

約数列:

[1, 3, 9, 27, 43, 129, 131, 181, 387, 393, 543, 1161, 1179, 1629, 3537, 4887, 5633, 7783, 16899, 23349, 23711, 50697, 70047, 71133, 152091, 210141, 213399, 640197, 1019573, 3058719, 9176157, 27528471]

約数ペア:

[(1, 27528471), (3, 9176157), (9, 3058719), (27, 1019573), (43, 640197), (129, 213399), (131, 210141), (181, 152091), (387, 71133), (393, 70047), (543, 50697), (1161, 23711), (1179, 23349), (1629, 16899), (3537, 7783), (4887, 5633)]