78909957

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4799}}^1$

素因数の和:4847

約数の個数: 40

約数和(自身を含む): 139392000

約数和(自身を除く): 60482043

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 4799, 5481, 14397, 16443, 33593, 43191, 100779, 129573, 139171, 302337, 388719, 417513, 907011, 974197, 1252539, 2721033, 2922591, 3757617, 8767773, 11272851, 26303319, 78909957]

約数ペア:

[(1, 78909957), (3, 26303319), (7, 11272851), (9, 8767773), (21, 3757617), (27, 2922591), (29, 2721033), (63, 1252539), (81, 974197), (87, 907011), (189, 417513), (203, 388719), (261, 302337), (567, 139171), (609, 129573), (783, 100779), (1827, 43191), (2349, 33593), (4799, 16443), (5481, 14397)]