987826321

素因数分解:

${\mathrm{19}}^3\times {\mathrm{59}}^1\times {\mathrm{2441}}^1$

素因数の和:2557

約数の個数: 16

約数和(自身を含む): 1060804800

約数和(自身を除く): 72978479

約数列:

[1, 19, 59, 361, 1121, 2441, 6859, 21299, 46379, 144019, 404681, 881201, 2736361, 16742819, 51990859, 987826321]

約数ペア:

[(1, 987826321), (19, 51990859), (59, 16742819), (361, 2736361), (1121, 881201), (2441, 404681), (6859, 144019), (21299, 46379)]