209520003

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{1051}}^1$

素因数の和:1935

約数の個数: 32

約数和(自身を含む): 349028352

約数和(自身を除く): 139508349

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 863, 1051, 2589, 3153, 6041, 7357, 9493, 11561, 18123, 22071, 28479, 34683, 66451, 80927, 199353, 242781, 907013, 2721039, 6349091, 9977143, 19047273, 29931429, 69840001, 209520003]

約数ペア:

[(1, 209520003), (3, 69840001), (7, 29931429), (11, 19047273), (21, 9977143), (33, 6349091), (77, 2721039), (231, 907013), (863, 242781), (1051, 199353), (2589, 80927), (3153, 66451), (6041, 34683), (7357, 28479), (9493, 22071), (11561, 18123)]