187800921

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 377395200

約数和(自身を除く): 189594279

約数列:

[1, 3, 7, 9, 11, 17, 19, 21, 33, 51, 57, 63, 77, 99, 119, 133, 153, 171, 187, 209, 231, 323, 357, 399, 561, 627, 693, 839, 969, 1071, 1197, 1309, 1463, 1683, 1881, 2261, 2517, 2907, 3553, 3927, 4389, 5873, 6783, 7551, 9229, 10659, 11781, 13167, 14263, 15941, 17619, 20349, 24871, 27687, 31977, 42789, 47823, 52857, 64603, 74613, 83061, 99841, 111587, 128367, 143469, 156893, 175351, 193809, 223839, 270997, 299523, 334761, 470679, 526053, 581427, 812991, 898569, 1004283, 1098251, 1227457, 1412037, 1578159, 1896979, 2438973, 2980967, 3294753, 3682371, 5690937, 8942901, 9884259, 11047113, 17072811, 20866769, 26828703, 62600307, 187800921]

約数ペア:

[(1, 187800921), (3, 62600307), (7, 26828703), (9, 20866769), (11, 17072811), (17, 11047113), (19, 9884259), (21, 8942901), (33, 5690937), (51, 3682371), (57, 3294753), (63, 2980967), (77, 2438973), (99, 1896979), (119, 1578159), (133, 1412037), (153, 1227457), (171, 1098251), (187, 1004283), (209, 898569), (231, 812991), (323, 581427), (357, 526053), (399, 470679), (561, 334761), (627, 299523), (693, 270997), (839, 223839), (969, 193809), (1071, 175351), (1197, 156893), (1309, 143469), (1463, 128367), (1683, 111587), (1881, 99841), (2261, 83061), (2517, 74613), (2907, 64603), (3553, 52857), (3927, 47823), (4389, 42789), (5873, 31977), (6783, 27687), (7551, 24871), (9229, 20349), (10659, 17619), (11781, 15941), (13167, 14263)]