138970215

素因数分解:

$3^3\times 5^1\times {\mathrm{1029409}}^1$

素因数の和:1029423

約数の個数: 16

約数和(自身を含む): 247058400

約数和(自身を除く): 108088185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1029409, 3088227, 5147045, 9264681, 15441135, 27794043, 46323405, 138970215]

約数ペア:

[(1, 138970215), (3, 46323405), (5, 27794043), (9, 15441135), (15, 9264681), (27, 5147045), (45, 3088227), (135, 1029409)]