7081641

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 12153600

約数和(自身を除く): 5071959

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 421, 623, 801, 1263, 1869, 2403, 2947, 3789, 5607, 8841, 11367, 16821, 26523, 37469, 79569, 112407, 262283, 337221, 786849, 1011663, 2360547, 7081641]

約数ペア:

[(1, 7081641), (3, 2360547), (7, 1011663), (9, 786849), (21, 337221), (27, 262283), (63, 112407), (89, 79569), (189, 37469), (267, 26523), (421, 16821), (623, 11367), (801, 8841), (1263, 5607), (1869, 3789), (2403, 2947)]