207950895

素因数分解:

$3^9\times 5^1\times {\mathrm{2113}}^1$

素因数の和:2145

約数の個数: 40

約数和(自身を含む): 374482416

約数和(自身を除く): 166531521

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2113, 2187, 3645, 6339, 6561, 10565, 10935, 19017, 19683, 31695, 32805, 57051, 95085, 98415, 171153, 285255, 513459, 855765, 1540377, 2567295, 4621131, 7701885, 13863393, 23105655, 41590179, 69316965, 207950895]

約数ペア:

[(1, 207950895), (3, 69316965), (5, 41590179), (9, 23105655), (15, 13863393), (27, 7701885), (45, 4621131), (81, 2567295), (135, 1540377), (243, 855765), (405, 513459), (729, 285255), (1215, 171153), (2113, 98415), (2187, 95085), (3645, 57051), (6339, 32805), (6561, 31695), (10565, 19683), (10935, 19017)]