51505515

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{15679}}^1$

素因数の和:15763

約数の個数: 24

約数和(自身を含む): 90504960

約数和(自身を除く): 38999445

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 15679, 47037, 78395, 141111, 235185, 705555, 1144567, 3433701, 5722835, 10301103, 17168505, 51505515]

約数ペア:

[(1, 51505515), (3, 17168505), (5, 10301103), (9, 5722835), (15, 3433701), (45, 1144567), (73, 705555), (219, 235185), (365, 141111), (657, 78395), (1095, 47037), (3285, 15679)]