221877123

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{859}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 329414400

約数和(自身を除く): 107537277

約数列:

[1, 3, 13, 37, 39, 111, 179, 481, 537, 859, 1443, 2327, 2577, 6623, 6981, 11167, 19869, 31783, 33501, 86099, 95349, 153761, 258297, 413179, 461283, 1239537, 1998893, 5689157, 5996679, 17067471, 73959041, 221877123]

約数ペア:

[(1, 221877123), (3, 73959041), (13, 17067471), (37, 5996679), (39, 5689157), (111, 1998893), (179, 1239537), (481, 461283), (537, 413179), (859, 258297), (1443, 153761), (2327, 95349), (2577, 86099), (6623, 33501), (6981, 31783), (11167, 19869)]