90120681

素因数分解:

$3^5\times 7^1\times {\mathrm{52981}}^1$

素因数の和:53003

約数の個数: 24

約数和(自身を含む): 154283584

約数和(自身を除く): 64162903

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 52981, 158943, 370867, 476829, 1112601, 1430487, 3337803, 4291461, 10013409, 12874383, 30040227, 90120681]

約数ペア:

[(1, 90120681), (3, 30040227), (7, 12874383), (9, 10013409), (21, 4291461), (27, 3337803), (63, 1430487), (81, 1112601), (189, 476829), (243, 370867), (567, 158943), (1701, 52981)]