90139257

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3617}}^1$

素因数の和:3710

約数の個数: 32

約数和(自身を含む): 145877760

約数和(自身を除く): 55738503

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 3617, 8307, 10851, 24921, 32553, 47021, 97659, 141063, 256807, 423189, 770421, 1269567, 2311263, 3338491, 6933789, 10015473, 30046419, 90139257]

約数ペア:

[(1, 90139257), (3, 30046419), (9, 10015473), (13, 6933789), (27, 3338491), (39, 2311263), (71, 1269567), (117, 770421), (213, 423189), (351, 256807), (639, 141063), (923, 97659), (1917, 47021), (2769, 32553), (3617, 24921), (8307, 10851)]