251017101

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{28201}}^1$

素因数の和:28273

約数の個数: 24

約数和(自身を含む): 387157056

約数和(自身を除く): 136139955

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 28201, 84603, 253809, 648623, 1212643, 1945869, 3637929, 5837607, 10913787, 27890789, 83672367, 251017101]

約数ペア:

[(1, 251017101), (3, 83672367), (9, 27890789), (23, 10913787), (43, 5837607), (69, 3637929), (129, 1945869), (207, 1212643), (387, 648623), (989, 253809), (2967, 84603), (8901, 28201)]