72603945

素因数分解:

$3^4\times 5^1\times {\mathrm{179269}}^1$

素因数の和:179286

約数の個数: 20

約数和(自身を含む): 130150020

約数和(自身を除く): 57546075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 179269, 537807, 896345, 1613421, 2689035, 4840263, 8067105, 14520789, 24201315, 72603945]

約数ペア:

[(1, 72603945), (3, 24201315), (5, 14520789), (9, 8067105), (15, 4840263), (27, 2689035), (45, 1613421), (81, 896345), (135, 537807), (405, 179269)]