72420915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{689723}}^1$

素因数の和:689738

約数の個数: 16

約数和(自身を含む): 132427008

約数和(自身を除く): 60006093

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 689723, 2069169, 3448615, 4828061, 10345845, 14484183, 24140305, 72420915]

約数ペア:

[(1, 72420915), (3, 24140305), (5, 14484183), (7, 10345845), (15, 4828061), (21, 3448615), (35, 2069169), (105, 689723)]