388770753

素因数分解:

$3^1\times 7^2\times {\mathrm{607}}^1\times {\mathrm{4357}}^1$

素因数の和:4981

約数の個数: 24

約数和(自身を含む): 604123392

約数和(自身を除く): 215352639

約数列:

[1, 3, 7, 21, 49, 147, 607, 1821, 4249, 4357, 12747, 13071, 29743, 30499, 89229, 91497, 213493, 640479, 2644699, 7934097, 18512893, 55538679, 129590251, 388770753]

約数ペア:

[(1, 388770753), (3, 129590251), (7, 55538679), (21, 18512893), (49, 7934097), (147, 2644699), (607, 640479), (1821, 213493), (4249, 91497), (4357, 89229), (12747, 30499), (13071, 29743)]