291438315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 596284416

約数和(自身を除く): 304846101

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 83, 105, 157, 213, 249, 315, 355, 415, 471, 497, 581, 639, 747, 785, 1065, 1099, 1245, 1413, 1491, 1743, 2355, 2485, 2905, 3195, 3297, 3735, 4473, 5229, 5495, 5893, 7065, 7455, 8715, 9891, 11147, 13031, 16485, 17679, 22365, 26145, 29465, 33441, 39093, 41251, 49455, 53037, 55735, 65155, 78029, 88395, 91217, 100323, 117279, 123753, 167205, 195465, 206255, 234087, 265185, 273651, 371259, 390145, 456085, 501615, 586395, 618765, 702261, 820953, 925201, 1170435, 1368255, 1856295, 2775603, 3511305, 4104765, 4626005, 6476407, 8326809, 13878015, 19429221, 32382035, 41634045, 58287663, 97146105, 291438315]

約数ペア:

[(1, 291438315), (3, 97146105), (5, 58287663), (7, 41634045), (9, 32382035), (15, 19429221), (21, 13878015), (35, 8326809), (45, 6476407), (63, 4626005), (71, 4104765), (83, 3511305), (105, 2775603), (157, 1856295), (213, 1368255), (249, 1170435), (315, 925201), (355, 820953), (415, 702261), (471, 618765), (497, 586395), (581, 501615), (639, 456085), (747, 390145), (785, 371259), (1065, 273651), (1099, 265185), (1245, 234087), (1413, 206255), (1491, 195465), (1743, 167205), (2355, 123753), (2485, 117279), (2905, 100323), (3195, 91217), (3297, 88395), (3735, 78029), (4473, 65155), (5229, 55735), (5495, 53037), (5893, 49455), (7065, 41251), (7455, 39093), (8715, 33441), (9891, 29465), (11147, 26145), (13031, 22365), (16485, 17679)]