201798891

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 364815360

約数和(自身を除く): 163016469

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 181, 189, 347, 357, 459, 543, 1041, 1071, 1267, 1629, 2429, 3077, 3123, 3213, 3801, 4887, 5899, 7287, 9231, 9369, 11403, 17697, 21539, 21861, 27693, 34209, 41293, 53091, 62807, 64617, 65583, 83079, 123879, 159273, 188421, 193851, 371637, 439649, 565263, 581553, 1067719, 1114911, 1318947, 1695789, 3203157, 3956841, 7474033, 9609471, 11870523, 22422099, 28828413, 67266297, 201798891]

約数ペア:

[(1, 201798891), (3, 67266297), (7, 28828413), (9, 22422099), (17, 11870523), (21, 9609471), (27, 7474033), (51, 3956841), (63, 3203157), (119, 1695789), (153, 1318947), (181, 1114911), (189, 1067719), (347, 581553), (357, 565263), (459, 439649), (543, 371637), (1041, 193851), (1071, 188421), (1267, 159273), (1629, 123879), (2429, 83079), (3077, 65583), (3123, 64617), (3213, 62807), (3801, 53091), (4887, 41293), (5899, 34209), (7287, 27693), (9231, 21861), (9369, 21539), (11403, 17697)]