638253

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 1182720

約数和(自身を除く): 544467

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 307, 693, 921, 2079, 2149, 2763, 3377, 6447, 8289, 10131, 19341, 23639, 30393, 58023, 70917, 91179, 212751, 638253]

約数ペア:

[(1, 638253), (3, 212751), (7, 91179), (9, 70917), (11, 58023), (21, 30393), (27, 23639), (33, 19341), (63, 10131), (77, 8289), (99, 6447), (189, 3377), (231, 2763), (297, 2149), (307, 2079), (693, 921)]