25971909

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 35384640

約数和(自身を除く): 9412731

約数列:

[1, 3, 61, 183, 347, 409, 1041, 1227, 21167, 24949, 63501, 74847, 141923, 425769, 8657303, 25971909]

約数ペア:

[(1, 25971909), (3, 8657303), (61, 425769), (183, 141923), (347, 74847), (409, 63501), (1041, 24949), (1227, 21167)]