861360138

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{784481}}^1$

素因数の和:784550

約数の個数: 24

約数和(自身を含む): 1896877476

約数和(自身を除く): 1035517338

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 784481, 1568962, 2353443, 4706886, 7060329, 14120658, 47853341, 95706682, 143560023, 287120046, 430680069, 861360138]

約数ペア:

[(1, 861360138), (2, 430680069), (3, 287120046), (6, 143560023), (9, 95706682), (18, 47853341), (61, 14120658), (122, 7060329), (183, 4706886), (366, 2353443), (549, 1568962), (1098, 784481)]