39478515

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 65404416

約数和(自身を除く): 25925901

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 485, 631, 645, 1455, 1893, 3155, 4171, 9465, 12513, 20855, 27133, 61207, 62565, 81399, 135665, 183621, 306035, 406995, 918105, 2631901, 7895703, 13159505, 39478515]

約数ペア:

[(1, 39478515), (3, 13159505), (5, 7895703), (15, 2631901), (43, 918105), (97, 406995), (129, 306035), (215, 183621), (291, 135665), (485, 81399), (631, 62565), (645, 61207), (1455, 27133), (1893, 20855), (3155, 12513), (4171, 9465)]