1440394557

素因数分解:

$3^1\times 7^1\times {\mathrm{3121}}^1\times {\mathrm{21977}}^1$

素因数の和:25108

約数の個数: 16

約数和(自身を含む): 2195690112

約数和(自身を除く): 755295555

約数列:

[1, 3, 7, 21, 3121, 9363, 21847, 21977, 65541, 65931, 153839, 461517, 68590217, 205770651, 480131519, 1440394557]

約数ペア:

[(1, 1440394557), (3, 480131519), (7, 205770651), (21, 68590217), (3121, 461517), (9363, 153839), (21847, 65931), (21977, 65541)]