61218969

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 99624960

約数和(自身を除く): 38405991

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 2161, 4047, 6483, 9443, 15127, 28329, 41059, 45381, 123177, 153431, 287413, 460293, 862239, 1074017, 2915189, 3222051, 8745567, 20406323, 61218969]

約数ペア:

[(1, 61218969), (3, 20406323), (7, 8745567), (19, 3222051), (21, 2915189), (57, 1074017), (71, 862239), (133, 460293), (213, 287413), (399, 153431), (497, 123177), (1349, 45381), (1491, 41059), (2161, 28329), (4047, 15127), (6483, 9443)]