209439263

素因数分解:

${\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 236444208

約数和(自身を除く): 27004945

約数列:

[1, 11, 73, 121, 131, 181, 803, 1441, 1991, 8833, 9563, 13213, 15851, 21901, 23711, 105193, 145343, 260821, 1157123, 1598773, 1730903, 2869031, 19039933, 209439263]

約数ペア:

[(1, 209439263), (11, 19039933), (73, 2869031), (121, 1730903), (131, 1598773), (181, 1157123), (803, 260821), (1441, 145343), (1991, 105193), (8833, 23711), (9563, 21901), (13213, 15851)]