217468665

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16607}}^1$

素因数の和:16718

約数の個数: 32

約数和(自身を含む): 390620160

約数和(自身を除く): 173151495

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 2619, 4365, 13095, 16607, 49821, 83035, 149463, 249105, 448389, 747315, 1610879, 2241945, 4832637, 8054395, 14497911, 24163185, 43493733, 72489555, 217468665]

約数ペア:

[(1, 217468665), (3, 72489555), (5, 43493733), (9, 24163185), (15, 14497911), (27, 8054395), (45, 4832637), (97, 2241945), (135, 1610879), (291, 747315), (485, 448389), (873, 249105), (1455, 149463), (2619, 83035), (4365, 49821), (13095, 16607)]