168420195

素因数分解:

$3^3\times 5^1\times {\mathrm{1247557}}^1$

素因数の和:1247571

約数の個数: 16

約数和(自身を含む): 299413920

約数和(自身を除く): 130993725

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1247557, 3742671, 6237785, 11228013, 18713355, 33684039, 56140065, 168420195]

約数ペア:

[(1, 168420195), (3, 56140065), (5, 33684039), (9, 18713355), (15, 11228013), (27, 6237785), (45, 3742671), (135, 1247557)]