204465885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 383346432

約数和(自身を除く): 178880547

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, 1667, 1887, 2405, 3145, 3315, 5001, 7215, 8177, 8335, 9435, 21671, 24531, 25005, 28339, 40885, 61679, 65013, 85017, 108355, 122655, 141695, 185037, 308395, 325065, 368407, 425085, 801827, 925185, 1048543, 1105221, 1842035, 2405481, 3145629, 4009135, 5242715, 5526105, 12027405, 13631059, 15728145, 40893177, 68155295, 204465885]

約数ペア:

[(1, 204465885), (3, 68155295), (5, 40893177), (13, 15728145), (15, 13631059), (17, 12027405), (37, 5526105), (39, 5242715), (51, 4009135), (65, 3145629), (85, 2405481), (111, 1842035), (185, 1105221), (195, 1048543), (221, 925185), (255, 801827), (481, 425085), (555, 368407), (629, 325065), (663, 308395), (1105, 185037), (1443, 141695), (1667, 122655), (1887, 108355), (2405, 85017), (3145, 65013), (3315, 61679), (5001, 40885), (7215, 28339), (8177, 25005), (8335, 24531), (9435, 21671)]