208118913

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{541}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 310631040

約数和(自身を除く): 102512127

約数列:

[1, 3, 17, 19, 51, 57, 323, 397, 541, 969, 1191, 1623, 6749, 7543, 9197, 10279, 20247, 22629, 27591, 30837, 128231, 174743, 214777, 384693, 524229, 644331, 3651209, 4080763, 10953627, 12242289, 69372971, 208118913]

約数ペア:

[(1, 208118913), (3, 69372971), (17, 12242289), (19, 10953627), (51, 4080763), (57, 3651209), (323, 644331), (397, 524229), (541, 384693), (969, 214777), (1191, 174743), (1623, 128231), (6749, 30837), (7543, 27591), (9197, 22629), (10279, 20247)]