12289725

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{17}}^2$

素因数の和:66

約数の個数: 108

約数和(自身を含む): 27713504

約数和(自身を除く): 15423779

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 51, 63, 75, 81, 85, 105, 119, 135, 153, 175, 189, 225, 243, 255, 289, 315, 357, 405, 425, 459, 525, 567, 595, 675, 765, 867, 945, 1071, 1215, 1275, 1377, 1445, 1575, 1701, 1785, 2023, 2025, 2295, 2601, 2835, 2975, 3213, 3825, 4131, 4335, 4725, 5355, 6069, 6075, 6885, 7225, 7803, 8505, 8925, 9639, 10115, 11475, 13005, 14175, 16065, 18207, 20655, 21675, 23409, 26775, 28917, 30345, 34425, 39015, 42525, 48195, 50575, 54621, 65025, 70227, 80325, 91035, 103275, 117045, 144585, 151725, 163863, 195075, 240975, 273105, 351135, 455175, 491589, 585225, 722925, 819315, 1365525, 1755675, 2457945, 4096575, 12289725]

約数ペア:

[(1, 12289725), (3, 4096575), (5, 2457945), (7, 1755675), (9, 1365525), (15, 819315), (17, 722925), (21, 585225), (25, 491589), (27, 455175), (35, 351135), (45, 273105), (51, 240975), (63, 195075), (75, 163863), (81, 151725), (85, 144585), (105, 117045), (119, 103275), (135, 91035), (153, 80325), (175, 70227), (189, 65025), (225, 54621), (243, 50575), (255, 48195), (289, 42525), (315, 39015), (357, 34425), (405, 30345), (425, 28917), (459, 26775), (525, 23409), (567, 21675), (595, 20655), (675, 18207), (765, 16065), (867, 14175), (945, 13005), (1071, 11475), (1215, 10115), (1275, 9639), (1377, 8925), (1445, 8505), (1575, 7803), (1701, 7225), (1785, 6885), (2023, 6075), (2025, 6069), (2295, 5355), (2601, 4725), (2835, 4335), (2975, 4131), (3213, 3825)]