287637921

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{18679}}^1$

素因数の和:18773

約数の個数: 24

約数和(自身を含む): 437112000

約数和(自身を除く): 149474079

約数列:

[1, 3, 9, 29, 59, 87, 177, 261, 531, 1711, 5133, 15399, 18679, 56037, 168111, 541691, 1102061, 1625073, 3306183, 4875219, 9918549, 31959769, 95879307, 287637921]

約数ペア:

[(1, 287637921), (3, 95879307), (9, 31959769), (29, 9918549), (59, 4875219), (87, 3306183), (177, 1625073), (261, 1102061), (531, 541691), (1711, 168111), (5133, 56037), (15399, 18679)]