221051313

素因数分解:

$3^2\times 7^1\times {\mathrm{1181}}^1\times {\mathrm{2971}}^1$

素因数の和:4165

約数の個数: 24

約数和(自身を含む): 365342016

約数和(自身を除く): 144290703

約数列:

[1, 3, 7, 9, 21, 63, 1181, 2971, 3543, 8267, 8913, 10629, 20797, 24801, 26739, 62391, 74403, 187173, 3508751, 10526253, 24561257, 31578759, 73683771, 221051313]

約数ペア:

[(1, 221051313), (3, 73683771), (7, 31578759), (9, 24561257), (21, 10526253), (63, 3508751), (1181, 187173), (2971, 74403), (3543, 62391), (8267, 26739), (8913, 24801), (10629, 20797)]