17906259

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 28790784

約数和(自身を除く): 10884525

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 283, 393, 483, 849, 917, 1981, 2751, 3013, 5943, 6509, 9039, 19527, 21091, 37073, 45563, 63273, 111219, 136689, 259511, 778533, 852679, 2558037, 5968753, 17906259]

約数ペア:

[(1, 17906259), (3, 5968753), (7, 2558037), (21, 852679), (23, 778533), (69, 259511), (131, 136689), (161, 111219), (283, 63273), (393, 45563), (483, 37073), (849, 21091), (917, 19527), (1981, 9039), (2751, 6509), (3013, 5943)]