66910725

素因数分解:

$3^3\times 5^2\times 7^3\times {\mathrm{17}}^2$

素因数の和:74

約数の個数: 144

約数和(自身を含む): 152272000

約数和(自身を除く): 85361275

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 49, 51, 63, 75, 85, 105, 119, 135, 147, 153, 175, 189, 225, 245, 255, 289, 315, 343, 357, 425, 441, 459, 525, 595, 675, 735, 765, 833, 867, 945, 1029, 1071, 1225, 1275, 1323, 1445, 1575, 1715, 1785, 2023, 2205, 2295, 2499, 2601, 2975, 3087, 3213, 3675, 3825, 4165, 4335, 4725, 5145, 5355, 5831, 6069, 6615, 7225, 7497, 7803, 8575, 8925, 9261, 10115, 11025, 11475, 12495, 13005, 14161, 15435, 16065, 17493, 18207, 20825, 21675, 22491, 25725, 26775, 29155, 30345, 33075, 37485, 39015, 42483, 46305, 50575, 52479, 54621, 62475, 65025, 70805, 77175, 80325, 87465, 91035, 99127, 112455, 127449, 145775, 151725, 157437, 187425, 195075, 212415, 231525, 262395, 273105, 297381, 354025, 382347, 437325, 455175, 495635, 562275, 637245, 787185, 892143, 1062075, 1311975, 1365525, 1486905, 1911735, 2478175, 2676429, 3186225, 3935925, 4460715, 7434525, 9558675, 13382145, 22303575, 66910725]

約数ペア:

[(1, 66910725), (3, 22303575), (5, 13382145), (7, 9558675), (9, 7434525), (15, 4460715), (17, 3935925), (21, 3186225), (25, 2676429), (27, 2478175), (35, 1911735), (45, 1486905), (49, 1365525), (51, 1311975), (63, 1062075), (75, 892143), (85, 787185), (105, 637245), (119, 562275), (135, 495635), (147, 455175), (153, 437325), (175, 382347), (189, 354025), (225, 297381), (245, 273105), (255, 262395), (289, 231525), (315, 212415), (343, 195075), (357, 187425), (425, 157437), (441, 151725), (459, 145775), (525, 127449), (595, 112455), (675, 99127), (735, 91035), (765, 87465), (833, 80325), (867, 77175), (945, 70805), (1029, 65025), (1071, 62475), (1225, 54621), (1275, 52479), (1323, 50575), (1445, 46305), (1575, 42483), (1715, 39015), (1785, 37485), (2023, 33075), (2205, 30345), (2295, 29155), (2499, 26775), (2601, 25725), (2975, 22491), (3087, 21675), (3213, 20825), (3675, 18207), (3825, 17493), (4165, 16065), (4335, 15435), (4725, 14161), (5145, 13005), (5355, 12495), (5831, 11475), (6069, 11025), (6615, 10115), (7225, 9261), (7497, 8925), (7803, 8575)]