187864677

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 384687072

約数和(自身を除く): 196822395

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 49, 63, 77, 81, 91, 99, 117, 143, 147, 189, 231, 273, 297, 331, 351, 429, 441, 539, 567, 637, 693, 819, 891, 993, 1001, 1053, 1287, 1323, 1617, 1911, 2079, 2317, 2457, 2979, 3003, 3641, 3861, 3969, 4303, 4851, 5733, 6237, 6951, 7007, 7371, 8937, 9009, 10923, 11583, 12909, 14553, 16219, 17199, 20853, 21021, 25487, 26811, 27027, 30121, 32769, 38727, 43659, 47333, 48657, 51597, 62559, 63063, 76461, 81081, 90363, 98307, 116181, 141999, 145971, 178409, 187677, 189189, 210847, 229383, 271089, 294921, 331331, 348543, 425997, 437913, 535227, 567567, 632541, 688149, 813267, 993993, 1277991, 1313739, 1605681, 1897623, 2064447, 2319317, 2439801, 2981979, 3833973, 4817043, 5692869, 6957951, 8945937, 14451129, 17078607, 20873853, 26837811, 62621559, 187864677]

約数ペア:

[(1, 187864677), (3, 62621559), (7, 26837811), (9, 20873853), (11, 17078607), (13, 14451129), (21, 8945937), (27, 6957951), (33, 5692869), (39, 4817043), (49, 3833973), (63, 2981979), (77, 2439801), (81, 2319317), (91, 2064447), (99, 1897623), (117, 1605681), (143, 1313739), (147, 1277991), (189, 993993), (231, 813267), (273, 688149), (297, 632541), (331, 567567), (351, 535227), (429, 437913), (441, 425997), (539, 348543), (567, 331331), (637, 294921), (693, 271089), (819, 229383), (891, 210847), (993, 189189), (1001, 187677), (1053, 178409), (1287, 145971), (1323, 141999), (1617, 116181), (1911, 98307), (2079, 90363), (2317, 81081), (2457, 76461), (2979, 63063), (3003, 62559), (3641, 51597), (3861, 48657), (3969, 47333), (4303, 43659), (4851, 38727), (5733, 32769), (6237, 30121), (6951, 27027), (7007, 26811), (7371, 25487), (8937, 21021), (9009, 20853), (10923, 17199), (11583, 16219), (12909, 14553)]