159623217

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 280404432

約数和(自身を除く): 120781215

約数列:

[1, 3, 9, 13, 17, 27, 37, 39, 51, 81, 111, 117, 153, 221, 241, 333, 351, 459, 481, 629, 663, 723, 999, 1053, 1377, 1443, 1887, 1989, 2169, 2997, 3133, 4097, 4329, 5661, 5967, 6507, 8177, 8917, 9399, 12291, 12987, 16983, 17901, 19521, 24531, 26751, 28197, 36873, 38961, 50949, 53261, 73593, 80253, 84591, 110619, 115921, 151589, 159783, 220779, 240759, 253773, 331857, 347763, 454767, 479349, 662337, 722277, 1043289, 1364301, 1438047, 1970657, 3129867, 4092903, 4314141, 5911971, 9389601, 12278709, 17735913, 53207739, 159623217]

約数ペア:

[(1, 159623217), (3, 53207739), (9, 17735913), (13, 12278709), (17, 9389601), (27, 5911971), (37, 4314141), (39, 4092903), (51, 3129867), (81, 1970657), (111, 1438047), (117, 1364301), (153, 1043289), (221, 722277), (241, 662337), (333, 479349), (351, 454767), (459, 347763), (481, 331857), (629, 253773), (663, 240759), (723, 220779), (999, 159783), (1053, 151589), (1377, 115921), (1443, 110619), (1887, 84591), (1989, 80253), (2169, 73593), (2997, 53261), (3133, 50949), (4097, 38961), (4329, 36873), (5661, 28197), (5967, 26751), (6507, 24531), (8177, 19521), (8917, 17901), (9399, 16983), (12291, 12987)]