208698813

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{877}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 305575608

約数和(自身を除く): 96876795

約数列:

[1, 3, 9, 137, 193, 411, 579, 877, 1233, 1737, 2631, 7893, 26441, 79323, 120149, 169261, 237969, 360447, 507783, 1081341, 1523349, 23188757, 69566271, 208698813]

約数ペア:

[(1, 208698813), (3, 69566271), (9, 23188757), (137, 1523349), (193, 1081341), (411, 507783), (579, 360447), (877, 237969), (1233, 169261), (1737, 120149), (2631, 79323), (7893, 26441)]