212260419

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 411589728

約数和(自身を除く): 199329309

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 61, 63, 81, 119, 133, 153, 171, 183, 189, 323, 357, 361, 399, 427, 459, 513, 549, 567, 969, 1037, 1071, 1083, 1159, 1197, 1281, 1377, 1539, 1647, 2261, 2527, 2907, 3111, 3213, 3249, 3477, 3591, 3843, 4941, 6137, 6783, 7259, 7581, 8113, 8721, 9333, 9639, 9747, 10431, 10773, 11529, 18411, 19703, 20349, 21777, 22021, 22743, 24339, 26163, 27999, 29241, 31293, 34587, 42959, 55233, 59109, 61047, 65331, 66063, 68229, 73017, 83997, 93879, 128877, 137921, 154147, 165699, 177327, 183141, 195993, 198189, 204687, 219051, 374357, 386631, 413763, 462441, 497097, 531981, 587979, 594567, 657153, 1123071, 1159893, 1241289, 1387323, 1595943, 1783701, 2620499, 3369213, 3479679, 3723867, 4161969, 7861497, 10107639, 11171601, 12485907, 23584491, 30322917, 70753473, 212260419]

約数ペア:

[(1, 212260419), (3, 70753473), (7, 30322917), (9, 23584491), (17, 12485907), (19, 11171601), (21, 10107639), (27, 7861497), (51, 4161969), (57, 3723867), (61, 3479679), (63, 3369213), (81, 2620499), (119, 1783701), (133, 1595943), (153, 1387323), (171, 1241289), (183, 1159893), (189, 1123071), (323, 657153), (357, 594567), (361, 587979), (399, 531981), (427, 497097), (459, 462441), (513, 413763), (549, 386631), (567, 374357), (969, 219051), (1037, 204687), (1071, 198189), (1083, 195993), (1159, 183141), (1197, 177327), (1281, 165699), (1377, 154147), (1539, 137921), (1647, 128877), (2261, 93879), (2527, 83997), (2907, 73017), (3111, 68229), (3213, 66063), (3249, 65331), (3477, 61047), (3591, 59109), (3843, 55233), (4941, 42959), (6137, 34587), (6783, 31293), (7259, 29241), (7581, 27999), (8113, 26163), (8721, 24339), (9333, 22743), (9639, 22021), (9747, 21777), (10431, 20349), (10773, 19703), (11529, 18411)]