388516557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{2017}}^1$

素因数の和:2493

約数の個数: 32

約数和(自身を含む): 610243200

約数和(自身を除く): 221726643

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 449, 1347, 2017, 4939, 5837, 6051, 14817, 17511, 22187, 26221, 64207, 66561, 78663, 192621, 288431, 865293, 905633, 2716899, 9961963, 11773229, 29885889, 35319687, 129505519, 388516557]

約数ペア:

[(1, 388516557), (3, 129505519), (11, 35319687), (13, 29885889), (33, 11773229), (39, 9961963), (143, 2716899), (429, 905633), (449, 865293), (1347, 288431), (2017, 192621), (4939, 78663), (5837, 66561), (6051, 64207), (14817, 26221), (17511, 22187)]