211277105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{727}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 290594304

約数和(自身を除く): 79317199

約数列:

[1, 5, 13, 17, 65, 85, 221, 263, 727, 1105, 1315, 3419, 3635, 4471, 9451, 12359, 17095, 22355, 47255, 58123, 61795, 160667, 191201, 290615, 803335, 956005, 2485613, 3250417, 12428065, 16252085, 42255421, 211277105]

約数ペア:

[(1, 211277105), (5, 42255421), (13, 16252085), (17, 12428065), (65, 3250417), (85, 2485613), (221, 956005), (263, 803335), (727, 290615), (1105, 191201), (1315, 160667), (3419, 61795), (3635, 58123), (4471, 47255), (9451, 22355), (12359, 17095)]