210345219

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{175727}}^1$

素因数の和:175759

約数の個数: 24

約数和(自身を含む): 365514240

約数和(自身を除く): 155169021

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 175727, 527181, 1230089, 1581543, 3338813, 3690267, 10016439, 11070801, 23371691, 30049317, 70115073, 210345219]

約数ペア:

[(1, 210345219), (3, 70115073), (7, 30049317), (9, 23371691), (19, 11070801), (21, 10016439), (57, 3690267), (63, 3338813), (133, 1581543), (171, 1230089), (399, 527181), (1197, 175727)]