80157195

素因数分解:

$3^6\times 5^1\times {\mathrm{21991}}^1$

素因数の和:22014

約数の個数: 28

約数和(自身を含む): 144223536

約数和(自身を除く): 64066341

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 21991, 65973, 109955, 197919, 329865, 593757, 989595, 1781271, 2968785, 5343813, 8906355, 16031439, 26719065, 80157195]

約数ペア:

[(1, 80157195), (3, 26719065), (5, 16031439), (9, 8906355), (15, 5343813), (27, 2968785), (45, 1781271), (81, 989595), (135, 593757), (243, 329865), (405, 197919), (729, 109955), (1215, 65973), (3645, 21991)]