278889105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{4871}}^1$

素因数の和:5237

約数の個数: 32

約数和(自身を含む): 488291328

約数和(自身を除く): 209402223

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 347, 1041, 1735, 3817, 4871, 5205, 11451, 14613, 19085, 24355, 53581, 57255, 73065, 160743, 267905, 803715, 1690237, 5070711, 8451185, 18592607, 25353555, 55777821, 92963035, 278889105]

約数ペア:

[(1, 278889105), (3, 92963035), (5, 55777821), (11, 25353555), (15, 18592607), (33, 8451185), (55, 5070711), (165, 1690237), (347, 803715), (1041, 267905), (1735, 160743), (3817, 73065), (4871, 57255), (5205, 53581), (11451, 24355), (14613, 19085)]