2173581

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 24

約数和(自身を含む): 3413760

約数和(自身を除く): 1240179

約数列:

[1, 3, 9, 19, 27, 57, 171, 223, 361, 513, 669, 1083, 2007, 3249, 4237, 6021, 9747, 12711, 38133, 80503, 114399, 241509, 724527, 2173581]

約数ペア:

[(1, 2173581), (3, 724527), (9, 241509), (19, 114399), (27, 80503), (57, 38133), (171, 12711), (223, 9747), (361, 6021), (513, 4237), (669, 3249), (1083, 2007)]