1291245255

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{470399}}^1$

素因数の和:470471

約数の個数: 24

約数和(自身を含む): 2274854400

約数和(自身を除く): 983609145

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 470399, 1411197, 2351995, 4233591, 7055985, 21167955, 28694339, 86083017, 143471695, 258249051, 430415085, 1291245255]

約数ペア:

[(1, 1291245255), (3, 430415085), (5, 258249051), (9, 143471695), (15, 86083017), (45, 28694339), (61, 21167955), (183, 7055985), (305, 4233591), (549, 2351995), (915, 1411197), (2745, 470399)]