28110537

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 54351360

約数和(自身を除く): 26240823

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 663, 673, 819, 1071, 1547, 1989, 2019, 2457, 3213, 4641, 4711, 5967, 6057, 8749, 11441, 13923, 14133, 18171, 26247, 34323, 41769, 42399, 61243, 78741, 80087, 102969, 127197, 148733, 183729, 236223, 240261, 308907, 446199, 551187, 720783, 1041131, 1338597, 1653561, 2162349, 3123393, 4015791, 9370179, 28110537]

約数ペア:

[(1, 28110537), (3, 9370179), (7, 4015791), (9, 3123393), (13, 2162349), (17, 1653561), (21, 1338597), (27, 1041131), (39, 720783), (51, 551187), (63, 446199), (91, 308907), (117, 240261), (119, 236223), (153, 183729), (189, 148733), (221, 127197), (273, 102969), (351, 80087), (357, 78741), (459, 61243), (663, 42399), (673, 41769), (819, 34323), (1071, 26247), (1547, 18171), (1989, 14133), (2019, 13923), (2457, 11441), (3213, 8749), (4641, 6057), (4711, 5967)]