280177191

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64453}}^1$

素因数の和:64492

約数の個数: 32

約数和(自身を含む): 495006720

約数和(自身を除く): 214829529

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 64453, 193359, 451171, 580077, 1353513, 1482419, 1740231, 4060539, 4447257, 10376933, 12181617, 13341771, 31130799, 40025313, 93392397, 280177191]

約数ペア:

[(1, 280177191), (3, 93392397), (7, 40025313), (9, 31130799), (21, 13341771), (23, 12181617), (27, 10376933), (63, 4447257), (69, 4060539), (161, 1740231), (189, 1482419), (207, 1353513), (483, 580077), (621, 451171), (1449, 193359), (4347, 64453)]