31278045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5333}}^1$

素因数の和:5381

約数の個数: 32

約数和(自身を含む): 55302912

約数和(自身を除く): 24024867

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5333, 5865, 15999, 26665, 79995, 90661, 122659, 271983, 367977, 453305, 613295, 1359915, 1839885, 2085203, 6255609, 10426015, 31278045]

約数ペア:

[(1, 31278045), (3, 10426015), (5, 6255609), (15, 2085203), (17, 1839885), (23, 1359915), (51, 613295), (69, 453305), (85, 367977), (115, 271983), (255, 122659), (345, 90661), (391, 79995), (1173, 26665), (1955, 15999), (5333, 5865)]