27844215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 56816640

約数和(自身を除く): 28972425

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 51, 57, 85, 95, 105, 119, 133, 255, 285, 323, 357, 399, 595, 665, 821, 969, 1615, 1785, 1995, 2261, 2463, 4105, 4845, 5747, 6783, 11305, 12315, 13957, 15599, 17241, 28735, 33915, 41871, 46797, 69785, 77995, 86205, 97699, 109193, 209355, 233985, 265183, 293097, 327579, 488495, 545965, 795549, 1325915, 1465485, 1637895, 1856281, 3977745, 5568843, 9281405, 27844215]

約数ペア:

[(1, 27844215), (3, 9281405), (5, 5568843), (7, 3977745), (15, 1856281), (17, 1637895), (19, 1465485), (21, 1325915), (35, 795549), (51, 545965), (57, 488495), (85, 327579), (95, 293097), (105, 265183), (119, 233985), (133, 209355), (255, 109193), (285, 97699), (323, 86205), (357, 77995), (399, 69785), (595, 46797), (665, 41871), (821, 33915), (969, 28735), (1615, 17241), (1785, 15599), (1995, 13957), (2261, 12315), (2463, 11305), (4105, 6783), (4845, 5747)]