77745015

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1979}}^1$

素因数の和:2093

約数の個数: 40

約数和(自身を含む): 140873040

約数和(自身を除く): 63128025

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 405, 485, 873, 1455, 1979, 2619, 4365, 5937, 7857, 9895, 13095, 17811, 29685, 39285, 53433, 89055, 160299, 191963, 267165, 575889, 801495, 959815, 1727667, 2879445, 5183001, 8638335, 15549003, 25915005, 77745015]

約数ペア:

[(1, 77745015), (3, 25915005), (5, 15549003), (9, 8638335), (15, 5183001), (27, 2879445), (45, 1727667), (81, 959815), (97, 801495), (135, 575889), (291, 267165), (405, 191963), (485, 160299), (873, 89055), (1455, 53433), (1979, 39285), (2619, 29685), (4365, 17811), (5937, 13095), (7857, 9895)]