4021227

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 7188480

約数和(自身を除く): 3167253

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 71, 87, 93, 203, 213, 217, 261, 279, 497, 609, 639, 651, 899, 1491, 1827, 1953, 2059, 2201, 2697, 4473, 6177, 6293, 6603, 8091, 14413, 15407, 18531, 18879, 19809, 43239, 46221, 56637, 63829, 129717, 138663, 191487, 446803, 574461, 1340409, 4021227]

約数ペア:

[(1, 4021227), (3, 1340409), (7, 574461), (9, 446803), (21, 191487), (29, 138663), (31, 129717), (63, 63829), (71, 56637), (87, 46221), (93, 43239), (203, 19809), (213, 18879), (217, 18531), (261, 15407), (279, 14413), (497, 8091), (609, 6603), (639, 6293), (651, 6177), (899, 4473), (1491, 2697), (1827, 2201), (1953, 2059)]