72187857

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{19421}}^1$

素因数の和:19493

約数の個数: 24

約数和(自身を含む): 121193280

約数和(自身を除く): 49005423

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 19421, 58263, 135947, 174789, 407841, 1145839, 1223523, 3437517, 8020873, 10312551, 24062619, 72187857]

約数ペア:

[(1, 72187857), (3, 24062619), (7, 10312551), (9, 8020873), (21, 3437517), (59, 1223523), (63, 1145839), (177, 407841), (413, 174789), (531, 135947), (1239, 58263), (3717, 19421)]