47987559

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{31181}}^1$

素因数の和:31212

約数の個数: 20

約数和(自身を含む): 75460440

約数和(自身を除く): 27472881

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 31181, 93543, 280629, 592439, 841887, 1777317, 2525661, 5331951, 15995853, 47987559]

約数ペア:

[(1, 47987559), (3, 15995853), (9, 5331951), (19, 2525661), (27, 1777317), (57, 841887), (81, 592439), (171, 280629), (513, 93543), (1539, 31181)]