256367079

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{155657}}^1$

素因数の和:155727

約数の個数: 16

約数和(自身を含む): 386031840

約数和(自身を除く): 129664761

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 155657, 466971, 1400913, 4202739, 9495077, 28485231, 85455693, 256367079]

約数ペア:

[(1, 256367079), (3, 85455693), (9, 28485231), (27, 9495077), (61, 4202739), (183, 1400913), (549, 466971), (1647, 155657)]