840627

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 1317888

約数和(自身を除く): 477261

約数列:

[1, 3, 9, 23, 31, 69, 93, 131, 207, 279, 393, 713, 1179, 2139, 3013, 4061, 6417, 9039, 12183, 27117, 36549, 93403, 280209, 840627]

約数ペア:

[(1, 840627), (3, 280209), (9, 93403), (23, 36549), (31, 27117), (69, 12183), (93, 9039), (131, 6417), (207, 4061), (279, 3013), (393, 2139), (713, 1179)]