217422255

素因数分解:

$3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{25121}}^1$

素因数の和:25706

約数の個数: 16

約数和(自身を含む): 348492384

約数和(自身を除く): 131070129

約数列:

[1, 3, 5, 15, 577, 1731, 2885, 8655, 25121, 75363, 125605, 376815, 14494817, 43484451, 72474085, 217422255]

約数ペア:

[(1, 217422255), (3, 72474085), (5, 43484451), (15, 14494817), (577, 376815), (1731, 125605), (2885, 75363), (8655, 25121)]