16992423

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 30294528

約数和(自身を除く): 13302105

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1303, 1449, 1863, 3909, 4347, 9121, 11727, 13041, 27363, 29969, 35181, 82089, 89907, 105543, 209783, 246267, 269721, 629349, 738801, 809163, 1888047, 2427489, 5664141, 16992423]

約数ペア:

[(1, 16992423), (3, 5664141), (7, 2427489), (9, 1888047), (21, 809163), (23, 738801), (27, 629349), (63, 269721), (69, 246267), (81, 209783), (161, 105543), (189, 89907), (207, 82089), (483, 35181), (567, 29969), (621, 27363), (1303, 13041), (1449, 11727), (1863, 9121), (3909, 4347)]