1247403915

素因数分解:

$3^3\times 5^1\times {\mathrm{9240029}}^1$

素因数の和:9240043

約数の個数: 16

約数和(自身を含む): 2217607200

約数和(自身を除く): 970203285

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 9240029, 27720087, 46200145, 83160261, 138600435, 249480783, 415801305, 1247403915]

約数ペア:

[(1, 1247403915), (3, 415801305), (5, 249480783), (9, 138600435), (15, 83160261), (27, 46200145), (45, 27720087), (135, 9240029)]