1245239487

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{30203}}^1$

素因数の和:30724

約数の個数: 20

約数和(自身を含む): 1863888840

約数和(自身を除く): 618649353

約数列:

[1, 3, 9, 27, 81, 509, 1527, 4581, 13743, 30203, 41229, 90609, 271827, 815481, 2446443, 15373327, 46119981, 138359943, 415079829, 1245239487]

約数ペア:

[(1, 1245239487), (3, 415079829), (9, 138359943), (27, 46119981), (81, 15373327), (509, 2446443), (1527, 815481), (4581, 271827), (13743, 90609), (30203, 41229)]