16729557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 25643520

約数和(自身を除く): 8913963

約数列:

[1, 3, 13, 19, 39, 57, 107, 211, 247, 321, 633, 741, 1391, 2033, 2743, 4009, 4173, 6099, 8229, 12027, 22577, 26429, 52117, 67731, 79287, 156351, 293501, 428963, 880503, 1286889, 5576519, 16729557]

約数ペア:

[(1, 16729557), (3, 5576519), (13, 1286889), (19, 880503), (39, 428963), (57, 293501), (107, 156351), (211, 79287), (247, 67731), (321, 52117), (633, 26429), (741, 22577), (1391, 12027), (2033, 8229), (2743, 6099), (4009, 4173)]