205416135

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 383616000

約数和(自身を除く): 178199865

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 71, 87, 135, 145, 213, 261, 355, 435, 639, 739, 783, 1065, 1305, 1917, 2059, 2217, 3195, 3695, 3915, 6177, 6651, 9585, 10295, 11085, 18531, 19953, 21431, 30885, 33255, 52469, 55593, 64293, 92655, 99765, 107155, 157407, 192879, 262345, 277965, 321465, 472221, 578637, 787035, 964395, 1416663, 1521601, 2361105, 2893185, 4564803, 7083315, 7608005, 13694409, 22824015, 41083227, 68472045, 205416135]

約数ペア:

[(1, 205416135), (3, 68472045), (5, 41083227), (9, 22824015), (15, 13694409), (27, 7608005), (29, 7083315), (45, 4564803), (71, 2893185), (87, 2361105), (135, 1521601), (145, 1416663), (213, 964395), (261, 787035), (355, 578637), (435, 472221), (639, 321465), (739, 277965), (783, 262345), (1065, 192879), (1305, 157407), (1917, 107155), (2059, 99765), (2217, 92655), (3195, 64293), (3695, 55593), (3915, 52469), (6177, 33255), (6651, 30885), (9585, 21431), (10295, 19953), (11085, 18531)]