28228473

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11489}}^1$

素因数の和:11518

約数の個数: 32

約数和(自身を含む): 51475200

約数和(自身を除く): 23246727

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 11489, 34467, 80423, 103401, 149357, 241269, 310203, 448071, 723807, 1045499, 1344213, 2171421, 3136497, 4032639, 9409491, 28228473]

約数ペア:

[(1, 28228473), (3, 9409491), (7, 4032639), (9, 3136497), (13, 2171421), (21, 1344213), (27, 1045499), (39, 723807), (63, 448071), (91, 310203), (117, 241269), (189, 149357), (273, 103401), (351, 80423), (819, 34467), (2457, 11489)]