204191505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2243}}^1$

素因数の和:2295

約数の個数: 72

約数和(自身を含む): 429878592

約数和(自身を除く): 225687087

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 289, 315, 357, 595, 765, 867, 1071, 1445, 1785, 2023, 2243, 2601, 4335, 5355, 6069, 6729, 10115, 11215, 13005, 15701, 18207, 20187, 30345, 33645, 38131, 47103, 78505, 91035, 100935, 114393, 141309, 190655, 235515, 266917, 343179, 571965, 648227, 706545, 800751, 1334585, 1715895, 1944681, 2402253, 3241135, 4003755, 4537589, 5834043, 9723405, 12011265, 13612767, 22687945, 29170215, 40838301, 68063835, 204191505]

約数ペア:

[(1, 204191505), (3, 68063835), (5, 40838301), (7, 29170215), (9, 22687945), (15, 13612767), (17, 12011265), (21, 9723405), (35, 5834043), (45, 4537589), (51, 4003755), (63, 3241135), (85, 2402253), (105, 1944681), (119, 1715895), (153, 1334585), (255, 800751), (289, 706545), (315, 648227), (357, 571965), (595, 343179), (765, 266917), (867, 235515), (1071, 190655), (1445, 141309), (1785, 114393), (2023, 100935), (2243, 91035), (2601, 78505), (4335, 47103), (5355, 38131), (6069, 33645), (6729, 30345), (10115, 20187), (11215, 18207), (13005, 15701)]