840490077

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{268613}}^1$

素因数の和:268772

約数の個数: 16

約数和(自身を含む): 1289347200

約数和(自身を除く): 448857123

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 268613, 805839, 1880291, 5640873, 40023337, 120070011, 280163359, 840490077]

約数ペア:

[(1, 840490077), (3, 280163359), (7, 120070011), (21, 40023337), (149, 5640873), (447, 1880291), (1043, 805839), (3129, 268613)]