202120119

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 318689280

約数和(自身を除く): 116569161

約数列:

[1, 3, 9, 19, 41, 57, 123, 127, 171, 227, 369, 381, 681, 779, 1143, 2043, 2337, 2413, 4313, 5207, 7011, 7239, 9307, 12939, 15621, 21717, 27921, 28829, 38817, 46863, 83763, 86487, 98933, 176833, 259461, 296799, 530499, 547751, 890397, 1181989, 1591497, 1643253, 3545967, 4929759, 10637901, 22457791, 67373373, 202120119]

約数ペア:

[(1, 202120119), (3, 67373373), (9, 22457791), (19, 10637901), (41, 4929759), (57, 3545967), (123, 1643253), (127, 1591497), (171, 1181989), (227, 890397), (369, 547751), (381, 530499), (681, 296799), (779, 259461), (1143, 176833), (2043, 98933), (2337, 86487), (2413, 83763), (4313, 46863), (5207, 38817), (7011, 28829), (7239, 27921), (9307, 21717), (12939, 15621)]