201992895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1129

約数の個数: 96

約数和(自身を含む): 420638400

約数和(自身を除く): 218645505

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 39, 45, 51, 57, 65, 85, 95, 117, 153, 171, 195, 221, 247, 255, 285, 323, 585, 663, 741, 765, 855, 969, 1069, 1105, 1235, 1615, 1989, 2223, 2907, 3207, 3315, 3705, 4199, 4845, 5345, 9621, 9945, 11115, 12597, 13897, 14535, 16035, 18173, 20311, 20995, 37791, 41691, 48105, 54519, 60933, 62985, 69485, 90865, 101555, 125073, 163557, 182799, 188955, 208455, 236249, 264043, 272595, 304665, 345287, 625365, 708747, 792129, 817785, 913995, 1035861, 1181245, 1320215, 1726435, 2126241, 2376387, 3107583, 3543735, 3960645, 4488731, 5179305, 10631205, 11881935, 13466193, 15537915, 22443655, 40398579, 67330965, 201992895]

約数ペア:

[(1, 201992895), (3, 67330965), (5, 40398579), (9, 22443655), (13, 15537915), (15, 13466193), (17, 11881935), (19, 10631205), (39, 5179305), (45, 4488731), (51, 3960645), (57, 3543735), (65, 3107583), (85, 2376387), (95, 2126241), (117, 1726435), (153, 1320215), (171, 1181245), (195, 1035861), (221, 913995), (247, 817785), (255, 792129), (285, 708747), (323, 625365), (585, 345287), (663, 304665), (741, 272595), (765, 264043), (855, 236249), (969, 208455), (1069, 188955), (1105, 182799), (1235, 163557), (1615, 125073), (1989, 101555), (2223, 90865), (2907, 69485), (3207, 62985), (3315, 60933), (3705, 54519), (4199, 48105), (4845, 41691), (5345, 37791), (9621, 20995), (9945, 20311), (11115, 18173), (12597, 16035), (13897, 14535)]