9990555

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 16809984

約数和(自身を除く): 6819429

約数列:

[1, 3, 5, 15, 37, 47, 111, 141, 185, 235, 383, 555, 705, 1149, 1739, 1915, 5217, 5745, 8695, 14171, 18001, 26085, 42513, 54003, 70855, 90005, 212565, 270015, 666037, 1998111, 3330185, 9990555]

約数ペア:

[(1, 9990555), (3, 3330185), (5, 1998111), (15, 666037), (37, 270015), (47, 212565), (111, 90005), (141, 70855), (185, 54003), (235, 42513), (383, 26085), (555, 18001), (705, 14171), (1149, 8695), (1739, 5745), (1915, 5217)]