29921805

素因数分解:

$3^6\times 5^1\times {\mathrm{8209}}^1$

素因数の和:8232

約数の個数: 28

約数和(自身を含む): 53841180

約数和(自身を除く): 23919375

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 8209, 24627, 41045, 73881, 123135, 221643, 369405, 664929, 1108215, 1994787, 3324645, 5984361, 9973935, 29921805]

約数ペア:

[(1, 29921805), (3, 9973935), (5, 5984361), (9, 3324645), (15, 1994787), (27, 1108215), (45, 664929), (81, 369405), (135, 221643), (243, 123135), (405, 73881), (729, 41045), (1215, 24627), (3645, 8209)]