28676025

素因数分解:

$3^4\times 5^2\times 7^2\times {\mathrm{17}}^2$

素因数の和:70

約数の個数: 135

約数和(自身を含む): 65638749

約数和(自身を除く): 36962724

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 49, 51, 63, 75, 81, 85, 105, 119, 135, 147, 153, 175, 189, 225, 245, 255, 289, 315, 357, 405, 425, 441, 459, 525, 567, 595, 675, 735, 765, 833, 867, 945, 1071, 1225, 1275, 1323, 1377, 1445, 1575, 1785, 2023, 2025, 2205, 2295, 2499, 2601, 2835, 2975, 3213, 3675, 3825, 3969, 4165, 4335, 4725, 5355, 6069, 6615, 6885, 7225, 7497, 7803, 8925, 9639, 10115, 11025, 11475, 12495, 13005, 14161, 14175, 16065, 18207, 19845, 20825, 21675, 22491, 23409, 26775, 30345, 33075, 34425, 37485, 39015, 42483, 48195, 50575, 54621, 62475, 65025, 67473, 70805, 80325, 91035, 99225, 112455, 117045, 127449, 151725, 163863, 187425, 195075, 212415, 240975, 273105, 337365, 354025, 382347, 455175, 562275, 585225, 637245, 819315, 1062075, 1147041, 1365525, 1686825, 1911735, 3186225, 4096575, 5735205, 9558675, 28676025]

約数ペア:

[(1, 28676025), (3, 9558675), (5, 5735205), (7, 4096575), (9, 3186225), (15, 1911735), (17, 1686825), (21, 1365525), (25, 1147041), (27, 1062075), (35, 819315), (45, 637245), (49, 585225), (51, 562275), (63, 455175), (75, 382347), (81, 354025), (85, 337365), (105, 273105), (119, 240975), (135, 212415), (147, 195075), (153, 187425), (175, 163863), (189, 151725), (225, 127449), (245, 117045), (255, 112455), (289, 99225), (315, 91035), (357, 80325), (405, 70805), (425, 67473), (441, 65025), (459, 62475), (525, 54621), (567, 50575), (595, 48195), (675, 42483), (735, 39015), (765, 37485), (833, 34425), (867, 33075), (945, 30345), (1071, 26775), (1225, 23409), (1275, 22491), (1323, 21675), (1377, 20825), (1445, 19845), (1575, 18207), (1785, 16065), (2023, 14175), (2025, 14161), (2205, 13005), (2295, 12495), (2499, 11475), (2601, 11025), (2835, 10115), (2975, 9639), (3213, 8925), (3675, 7803), (3825, 7497), (3969, 7225), (4165, 6885), (4335, 6615), (4725, 6069)]