291227041

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3037}}^1$

素因数の和:3173

約数の個数: 24

約数和(自身を含む): 360185280

約数和(自身を除く): 68958239

約数列:

[1, 7, 19, 49, 103, 133, 721, 931, 1957, 3037, 5047, 13699, 21259, 57703, 95893, 148813, 312811, 403921, 2189677, 2827447, 5943409, 15327739, 41603863, 291227041]

約数ペア:

[(1, 291227041), (7, 41603863), (19, 15327739), (49, 5943409), (103, 2827447), (133, 2189677), (721, 403921), (931, 312811), (1957, 148813), (3037, 95893), (5047, 57703), (13699, 21259)]