27803601

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{937}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 47425280

約数和(自身を除く): 19621679

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 937, 1099, 1413, 2811, 3297, 4239, 6559, 8433, 9891, 19677, 25299, 29673, 59031, 147109, 177093, 441327, 1029763, 1323981, 3089289, 3971943, 9267867, 27803601]

約数ペア:

[(1, 27803601), (3, 9267867), (7, 3971943), (9, 3089289), (21, 1323981), (27, 1029763), (63, 441327), (157, 177093), (189, 147109), (471, 59031), (937, 29673), (1099, 25299), (1413, 19677), (2811, 9891), (3297, 8433), (4239, 6559)]