2818179

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 5447680

約数和(自身を除く): 2629501

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 37, 39, 63, 91, 93, 111, 117, 189, 217, 259, 273, 279, 333, 351, 403, 481, 651, 777, 819, 837, 999, 1147, 1209, 1443, 1953, 2331, 2457, 2821, 3367, 3441, 3627, 4329, 5859, 6993, 8029, 8463, 10101, 10323, 10881, 12987, 14911, 24087, 25389, 30303, 30969, 44733, 72261, 76167, 90909, 104377, 134199, 216783, 313131, 402597, 939393, 2818179]

約数ペア:

[(1, 2818179), (3, 939393), (7, 402597), (9, 313131), (13, 216783), (21, 134199), (27, 104377), (31, 90909), (37, 76167), (39, 72261), (63, 44733), (91, 30969), (93, 30303), (111, 25389), (117, 24087), (189, 14911), (217, 12987), (259, 10881), (273, 10323), (279, 10101), (333, 8463), (351, 8029), (403, 6993), (481, 5859), (651, 4329), (777, 3627), (819, 3441), (837, 3367), (999, 2821), (1147, 2457), (1209, 2331), (1443, 1953)]