72008775

素因数分解:

$3^2\times 5^2\times {\mathrm{320039}}^1$

素因数の和:320055

約数の個数: 18

約数和(自身を含む): 128976120

約数和(自身を除く): 56967345

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 320039, 960117, 1600195, 2880351, 4800585, 8000975, 14401755, 24002925, 72008775]

約数ペア:

[(1, 72008775), (3, 24002925), (5, 14401755), (9, 8000975), (15, 4800585), (25, 2880351), (45, 1600195), (75, 960117), (225, 320039)]