81475956

素因数分解:

$2^2\times 3^6\times {\mathrm{27941}}^1$

素因数の和:27963

約数の個数: 42

約数和(自身を含む): 213784242

約数和(自身を除く): 132308286

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 27941, 55882, 83823, 111764, 167646, 251469, 335292, 502938, 754407, 1005876, 1508814, 2263221, 3017628, 4526442, 6789663, 9052884, 13579326, 20368989, 27158652, 40737978, 81475956]

約数ペア:

[(1, 81475956), (2, 40737978), (3, 27158652), (4, 20368989), (6, 13579326), (9, 9052884), (12, 6789663), (18, 4526442), (27, 3017628), (36, 2263221), (54, 1508814), (81, 1005876), (108, 754407), (162, 502938), (243, 335292), (324, 251469), (486, 167646), (729, 111764), (972, 83823), (1458, 55882), (2916, 27941)]