19901208225

素因数分解:

$3^1\times 5^2\times {\mathrm{607}}^1\times {\mathrm{437149}}^1$

素因数の和:437769

約数の個数: 24

約数和(自身を含む): 32957612800

約数和(自身を除く): 13056404575

約数列:

[1, 3, 5, 15, 25, 75, 607, 1821, 3035, 9105, 15175, 45525, 437149, 1311447, 2185745, 6557235, 10928725, 32786175, 265349443, 796048329, 1326747215, 3980241645, 6633736075, 19901208225]

約数ペア:

[(1, 19901208225), (3, 6633736075), (5, 3980241645), (15, 1326747215), (25, 796048329), (75, 265349443), (607, 32786175), (1821, 10928725), (3035, 6557235), (9105, 2185745), (15175, 1311447), (45525, 437149)]