77902155

素因数分解:

$3^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 141689184

約数和(自身を除く): 63787029

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 243, 291, 405, 485, 661, 873, 1215, 1455, 1983, 2619, 3305, 4365, 5949, 7857, 9915, 13095, 17847, 23571, 29745, 39285, 53541, 64117, 89235, 117855, 160623, 192351, 267705, 320585, 577053, 803115, 961755, 1731159, 2885265, 5193477, 8655795, 15580431, 25967385, 77902155]

約数ペア:

[(1, 77902155), (3, 25967385), (5, 15580431), (9, 8655795), (15, 5193477), (27, 2885265), (45, 1731159), (81, 961755), (97, 803115), (135, 577053), (243, 320585), (291, 267705), (405, 192351), (485, 160623), (661, 117855), (873, 89235), (1215, 64117), (1455, 53541), (1983, 39285), (2619, 29745), (3305, 23571), (4365, 17847), (5949, 13095), (7857, 9915)]