1984455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 3968640

約数和(自身を除く): 1984185

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 211, 285, 495, 627, 633, 855, 1045, 1055, 1881, 1899, 2321, 3135, 3165, 4009, 6963, 9405, 9495, 11605, 12027, 20045, 20889, 34815, 36081, 44099, 60135, 104445, 132297, 180405, 220495, 396891, 661485, 1984455]

約数ペア:

[(1, 1984455), (3, 661485), (5, 396891), (9, 220495), (11, 180405), (15, 132297), (19, 104445), (33, 60135), (45, 44099), (55, 36081), (57, 34815), (95, 20889), (99, 20045), (165, 12027), (171, 11605), (209, 9495), (211, 9405), (285, 6963), (495, 4009), (627, 3165), (633, 3135), (855, 2321), (1045, 1899), (1055, 1881)]