40387155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 68802048

約数和(自身を除く): 28414893

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 631, 753, 1255, 1893, 3155, 3765, 4267, 9465, 10727, 12801, 21335, 32181, 53635, 64005, 158381, 160905, 475143, 791905, 2375715, 2692477, 8077431, 13462385, 40387155]

約数ペア:

[(1, 40387155), (3, 13462385), (5, 8077431), (15, 2692477), (17, 2375715), (51, 791905), (85, 475143), (251, 160905), (255, 158381), (631, 64005), (753, 53635), (1255, 32181), (1893, 21335), (3155, 12801), (3765, 10727), (4267, 9465)]