31432479

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 47980800

約数和(自身を除く): 16548321

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 251, 507, 741, 753, 2197, 3211, 3263, 4769, 6591, 9633, 9789, 14307, 41743, 42419, 61997, 125229, 127257, 185991, 551447, 805961, 1654341, 2417883, 10477493, 31432479]

約数ペア:

[(1, 31432479), (3, 10477493), (13, 2417883), (19, 1654341), (39, 805961), (57, 551447), (169, 185991), (247, 127257), (251, 125229), (507, 61997), (741, 42419), (753, 41743), (2197, 14307), (3211, 9789), (3263, 9633), (4769, 6591)]