221337207

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2063}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 396684288

約数和(自身を除く): 175347081

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 131, 273, 393, 819, 917, 1179, 1703, 2063, 2751, 5109, 6189, 8253, 11921, 14441, 15327, 18567, 26819, 35763, 43323, 80457, 107289, 129969, 187733, 241371, 270253, 563199, 810759, 1689597, 1891771, 2432277, 3513289, 5675313, 10539867, 17025939, 24593023, 31619601, 73779069, 221337207]

約数ペア:

[(1, 221337207), (3, 73779069), (7, 31619601), (9, 24593023), (13, 17025939), (21, 10539867), (39, 5675313), (63, 3513289), (91, 2432277), (117, 1891771), (131, 1689597), (273, 810759), (393, 563199), (819, 270253), (917, 241371), (1179, 187733), (1703, 129969), (2063, 107289), (2751, 80457), (5109, 43323), (6189, 35763), (8253, 26819), (11921, 18567), (14441, 15327)]