19958103

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 33516000

約数和(自身を除く): 13557897

約数列:

[1, 3, 9, 11, 27, 33, 41, 99, 121, 123, 149, 297, 363, 369, 447, 451, 1089, 1107, 1341, 1353, 1639, 3267, 4023, 4059, 4917, 4961, 6109, 12177, 14751, 14883, 18029, 18327, 44253, 44649, 54087, 54981, 67199, 133947, 162261, 164943, 201597, 486783, 604791, 739189, 1814373, 2217567, 6652701, 19958103]

約数ペア:

[(1, 19958103), (3, 6652701), (9, 2217567), (11, 1814373), (27, 739189), (33, 604791), (41, 486783), (99, 201597), (121, 164943), (123, 162261), (149, 133947), (297, 67199), (363, 54981), (369, 54087), (447, 44649), (451, 44253), (1089, 18327), (1107, 18029), (1341, 14883), (1353, 14751), (1639, 12177), (3267, 6109), (4023, 4961), (4059, 4917)]