210858561

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{2861}}^1$

素因数の和:3317

約数の個数: 24

約数和(自身を含む): 321459840

約数和(自身を除く): 110601279

約数列:

[1, 3, 9, 19, 57, 171, 431, 1293, 2861, 3879, 8189, 8583, 24567, 25749, 54359, 73701, 163077, 489231, 1233091, 3699273, 11097819, 23428729, 70286187, 210858561]

約数ペア:

[(1, 210858561), (3, 70286187), (9, 23428729), (19, 11097819), (57, 3699273), (171, 1233091), (431, 489231), (1293, 163077), (2861, 73701), (3879, 54359), (8189, 25749), (8583, 24567)]