16221627

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4261}}^1$

素因数の和:4320

約数の個数: 20

約数和(自身を含む): 24753696

約数和(自身を除く): 8532069

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4261, 12783, 38349, 115047, 200267, 345141, 600801, 1802403, 5407209, 16221627]

約数ペア:

[(1, 16221627), (3, 5407209), (9, 1802403), (27, 600801), (47, 345141), (81, 200267), (141, 115047), (423, 38349), (1269, 12783), (3807, 4261)]