138456721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 160143480

約数和(自身を除く): 21686759

約数列:

[1, 13, 17, 137, 221, 269, 289, 1781, 2329, 3497, 3757, 4573, 30277, 36853, 39593, 59449, 77741, 479089, 514709, 626501, 1010633, 8144513, 10650517, 138456721]

約数ペア:

[(1, 138456721), (13, 10650517), (17, 8144513), (137, 1010633), (221, 626501), (269, 514709), (289, 479089), (1781, 77741), (2329, 59449), (3497, 39593), (3757, 36853), (4573, 30277)]