30990726

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{132439}}^1$

素因数の和:132460

約数の個数: 24

約数和(自身を含む): 72312240

約数和(自身を除く): 41321514

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 132439, 264878, 397317, 794634, 1191951, 1721707, 2383902, 3443414, 5165121, 10330242, 15495363, 30990726]

約数ペア:

[(1, 30990726), (2, 15495363), (3, 10330242), (6, 5165121), (9, 3443414), (13, 2383902), (18, 1721707), (26, 1191951), (39, 794634), (78, 397317), (117, 264878), (234, 132439)]