8400945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4211}}^1$

素因数の和:4245

約数の個数: 32

約数和(自身を含む): 16174080

約数和(自身を除く): 7773135

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 4211, 12633, 21055, 29477, 63165, 80009, 88431, 147385, 240027, 400045, 442155, 560063, 1200135, 1680189, 2800315, 8400945]

約数ペア:

[(1, 8400945), (3, 2800315), (5, 1680189), (7, 1200135), (15, 560063), (19, 442155), (21, 400045), (35, 240027), (57, 147385), (95, 88431), (105, 80009), (133, 63165), (285, 29477), (399, 21055), (665, 12633), (1995, 4211)]