28528461

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2237}}^1$

素因数の和:2365

約数の個数: 24

約数和(自身を含む): 44804760

約数和(自身を除く): 16276299

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 2237, 4251, 6711, 12753, 20133, 29081, 87243, 243833, 261729, 731499, 2194497, 3169829, 9509487, 28528461]

約数ペア:

[(1, 28528461), (3, 9509487), (9, 3169829), (13, 2194497), (39, 731499), (109, 261729), (117, 243833), (327, 87243), (981, 29081), (1417, 20133), (2237, 12753), (4251, 6711)]