2661417

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 40

約数和(自身を含む): 4530240

約数和(自身を除く): 1868823

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 103, 261, 297, 309, 319, 783, 891, 927, 957, 1133, 2349, 2781, 2871, 2987, 3399, 8343, 8613, 8961, 10197, 25839, 26883, 30591, 32857, 80649, 91773, 98571, 241947, 295713, 887139, 2661417]

約数ペア:

[(1, 2661417), (3, 887139), (9, 295713), (11, 241947), (27, 98571), (29, 91773), (33, 80649), (81, 32857), (87, 30591), (99, 26883), (103, 25839), (261, 10197), (297, 8961), (309, 8613), (319, 8343), (783, 3399), (891, 2987), (927, 2871), (957, 2781), (1133, 2349)]