378002007

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{1489}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 555841520

約数和(自身を除く): 177839513

約数列:

[1, 3, 9, 67, 201, 421, 603, 1263, 1489, 3789, 4467, 13401, 28207, 84621, 99763, 253863, 299289, 626869, 897867, 1880607, 5641821, 42000223, 126000669, 378002007]

約数ペア:

[(1, 378002007), (3, 126000669), (9, 42000223), (67, 5641821), (201, 1880607), (421, 897867), (603, 626869), (1263, 299289), (1489, 253863), (3789, 99763), (4467, 84621), (13401, 28207)]