81226485

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25423}}^1$

素因数の和:25505

約数の個数: 24

約数和(自身を含む): 142781184

約数和(自身を除く): 61554699

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 25423, 76269, 127115, 228807, 381345, 1144035, 1805033, 5415099, 9025165, 16245297, 27075495, 81226485]

約数ペア:

[(1, 81226485), (3, 27075495), (5, 16245297), (9, 9025165), (15, 5415099), (45, 1805033), (71, 1144035), (213, 381345), (355, 228807), (639, 127115), (1065, 76269), (3195, 25423)]