7278957

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2062

約数の個数: 32

約数和(自身を含む): 12979200

約数和(自身を除く): 5700243

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 2027, 3591, 6081, 14189, 18243, 38513, 42567, 54729, 115539, 127701, 269591, 346617, 383103, 808773, 1039851, 2426319, 7278957]

約数ペア:

[(1, 7278957), (3, 2426319), (7, 1039851), (9, 808773), (19, 383103), (21, 346617), (27, 269591), (57, 127701), (63, 115539), (133, 54729), (171, 42567), (189, 38513), (399, 18243), (513, 14189), (1197, 6081), (2027, 3591)]