39904485

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 65629440

約数和(自身を除く): 25724955

約数列:

[1, 3, 5, 15, 71, 89, 213, 267, 355, 421, 445, 1065, 1263, 1335, 2105, 6315, 6319, 18957, 29891, 31595, 37469, 89673, 94785, 112407, 149455, 187345, 448365, 562035, 2660299, 7980897, 13301495, 39904485]

約数ペア:

[(1, 39904485), (3, 13301495), (5, 7980897), (15, 2660299), (71, 562035), (89, 448365), (213, 187345), (267, 149455), (355, 112407), (421, 94785), (445, 89673), (1065, 37469), (1263, 31595), (1335, 29891), (2105, 18957), (6315, 6319)]