198823755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1696

約数の個数: 64

約数和(自身を含む): 372774528

約数和(自身を除く): 173950773

約数列:

[1, 3, 5, 13, 15, 17, 37, 39, 51, 65, 85, 111, 185, 195, 221, 255, 481, 555, 629, 663, 1105, 1443, 1621, 1887, 2405, 3145, 3315, 4863, 7215, 8105, 8177, 9435, 21073, 24315, 24531, 27557, 40885, 59977, 63219, 82671, 105365, 122655, 137785, 179931, 299885, 316095, 358241, 413355, 779701, 899655, 1019609, 1074723, 1791205, 2339103, 3058827, 3898505, 5098045, 5373615, 11695515, 13254917, 15294135, 39764751, 66274585, 198823755]

約数ペア:

[(1, 198823755), (3, 66274585), (5, 39764751), (13, 15294135), (15, 13254917), (17, 11695515), (37, 5373615), (39, 5098045), (51, 3898505), (65, 3058827), (85, 2339103), (111, 1791205), (185, 1074723), (195, 1019609), (221, 899655), (255, 779701), (481, 413355), (555, 358241), (629, 316095), (663, 299885), (1105, 179931), (1443, 137785), (1621, 122655), (1887, 105365), (2405, 82671), (3145, 63219), (3315, 59977), (4863, 40885), (7215, 27557), (8105, 24531), (8177, 24315), (9435, 21073)]