311281938

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1252

約数の個数: 72

約数和(自身を含む): 747674928

約数和(自身を除く): 436392990

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 131, 198, 242, 262, 363, 393, 726, 786, 1089, 1091, 1179, 1441, 2178, 2182, 2358, 2882, 3273, 4323, 6546, 8646, 9819, 12001, 12969, 15851, 19638, 24002, 25938, 31702, 36003, 47553, 72006, 95106, 108009, 132011, 142659, 142921, 216018, 264022, 285318, 285842, 396033, 428763, 792066, 857526, 1188099, 1286289, 1572131, 2376198, 2572578, 3144262, 4716393, 9432786, 14149179, 17293441, 28298358, 34586882, 51880323, 103760646, 155640969, 311281938]

約数ペア:

[(1, 311281938), (2, 155640969), (3, 103760646), (6, 51880323), (9, 34586882), (11, 28298358), (18, 17293441), (22, 14149179), (33, 9432786), (66, 4716393), (99, 3144262), (121, 2572578), (131, 2376198), (198, 1572131), (242, 1286289), (262, 1188099), (363, 857526), (393, 792066), (726, 428763), (786, 396033), (1089, 285842), (1091, 285318), (1179, 264022), (1441, 216018), (2178, 142921), (2182, 142659), (2358, 132011), (2882, 108009), (3273, 95106), (4323, 72006), (6546, 47553), (8646, 36003), (9819, 31702), (12001, 25938), (12969, 24002), (15851, 19638)]