17923905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 32535360

約数和(自身を除く): 14611455

約数列:

[1, 3, 5, 9, 15, 43, 45, 59, 129, 157, 177, 215, 295, 387, 471, 531, 645, 785, 885, 1413, 1935, 2355, 2537, 2655, 6751, 7065, 7611, 9263, 12685, 20253, 22833, 27789, 33755, 38055, 46315, 60759, 83367, 101265, 114165, 138945, 303795, 398309, 416835, 1194927, 1991545, 3584781, 5974635, 17923905]

約数ペア:

[(1, 17923905), (3, 5974635), (5, 3584781), (9, 1991545), (15, 1194927), (43, 416835), (45, 398309), (59, 303795), (129, 138945), (157, 114165), (177, 101265), (215, 83367), (295, 60759), (387, 46315), (471, 38055), (531, 33755), (645, 27789), (785, 22833), (885, 20253), (1413, 12685), (1935, 9263), (2355, 7611), (2537, 7065), (2655, 6751)]