281533203

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{235199}}^1$

素因数の和:235231

約数の個数: 24

約数和(自身を含む): 489216000

約数和(自身を除く): 207682797

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 235199, 705597, 1646393, 2116791, 4468781, 4939179, 13406343, 14817537, 31281467, 40219029, 93844401, 281533203]

約数ペア:

[(1, 281533203), (3, 93844401), (7, 40219029), (9, 31281467), (19, 14817537), (21, 13406343), (57, 4939179), (63, 4468781), (133, 2116791), (171, 1646393), (399, 705597), (1197, 235199)]