218670111

素因数分解:

$3^6\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 84

約数和(自身を含む): 375633496

約数和(自身を除く): 156963385

約数列:

[1, 3, 9, 11, 27, 33, 37, 67, 81, 99, 111, 121, 201, 243, 297, 333, 363, 407, 603, 729, 737, 891, 999, 1089, 1221, 1809, 2211, 2479, 2673, 2997, 3267, 3663, 4477, 5427, 6633, 7437, 8019, 8107, 8991, 9801, 10989, 13431, 16281, 19899, 22311, 24321, 26973, 27269, 29403, 32967, 40293, 48843, 59697, 66933, 72963, 81807, 88209, 98901, 120879, 179091, 200799, 218889, 245421, 296703, 299959, 362637, 537273, 602397, 656667, 736263, 899877, 1087911, 1807191, 1970001, 2208789, 2699631, 3263733, 5910003, 6626367, 8098893, 19879101, 24296679, 72890037, 218670111]

約数ペア:

[(1, 218670111), (3, 72890037), (9, 24296679), (11, 19879101), (27, 8098893), (33, 6626367), (37, 5910003), (67, 3263733), (81, 2699631), (99, 2208789), (111, 1970001), (121, 1807191), (201, 1087911), (243, 899877), (297, 736263), (333, 656667), (363, 602397), (407, 537273), (603, 362637), (729, 299959), (737, 296703), (891, 245421), (999, 218889), (1089, 200799), (1221, 179091), (1809, 120879), (2211, 98901), (2479, 88209), (2673, 81807), (2997, 72963), (3267, 66933), (3663, 59697), (4477, 48843), (5427, 40293), (6633, 32967), (7437, 29403), (8019, 27269), (8107, 26973), (8991, 24321), (9801, 22311), (10989, 19899), (13431, 16281)]