65881755

素因数分解:

$3^4\times 5^1\times {\mathrm{162671}}^1$

素因数の和:162688

約数の個数: 20

約数和(自身を含む): 118099872

約数和(自身を除く): 52218117

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 162671, 488013, 813355, 1464039, 2440065, 4392117, 7320195, 13176351, 21960585, 65881755]

約数ペア:

[(1, 65881755), (3, 21960585), (5, 13176351), (9, 7320195), (15, 4392117), (27, 2440065), (45, 1464039), (81, 813355), (135, 488013), (405, 162671)]