4278141

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 7335900

約数和(自身を除く): 3057759

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 109, 147, 267, 327, 441, 623, 763, 801, 981, 1869, 2289, 4361, 5341, 5607, 6867, 9701, 13083, 16023, 29103, 39249, 48069, 67907, 87309, 203721, 475349, 611163, 1426047, 4278141]

約数ペア:

[(1, 4278141), (3, 1426047), (7, 611163), (9, 475349), (21, 203721), (49, 87309), (63, 67907), (89, 48069), (109, 39249), (147, 29103), (267, 16023), (327, 13083), (441, 9701), (623, 6867), (763, 5607), (801, 5341), (981, 4361), (1869, 2289)]