77881257

素因数分解:

$3^7\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 118080000

約数和(自身を除く): 40198743

約数列:

[1, 3, 9, 27, 81, 149, 239, 243, 447, 717, 729, 1341, 2151, 2187, 4023, 6453, 12069, 19359, 35611, 36207, 58077, 106833, 108621, 174231, 320499, 325863, 522693, 961497, 2884491, 8653473, 25960419, 77881257]

約数ペア:

[(1, 77881257), (3, 25960419), (9, 8653473), (27, 2884491), (81, 961497), (149, 522693), (239, 325863), (243, 320499), (447, 174231), (717, 108621), (729, 106833), (1341, 58077), (2151, 36207), (2187, 35611), (4023, 19359), (6453, 12069)]