71866809

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{27823}}^1$

素因数の和:27877

約数の個数: 24

約数和(自身を含む): 121535232

約数和(自身を除く): 49668423

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 27823, 83469, 194761, 250407, 584283, 1140743, 1752849, 3422229, 7985201, 10266687, 23955603, 71866809]

約数ペア:

[(1, 71866809), (3, 23955603), (7, 10266687), (9, 7985201), (21, 3422229), (41, 1752849), (63, 1140743), (123, 584283), (287, 250407), (369, 194761), (861, 83469), (2583, 27823)]