211313895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{2129}}^1$

素因数の和:2659

約数の個数: 32

約数和(自身を含む): 364996800

約数和(自身を除く): 153682905

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 509, 1527, 2129, 2545, 6387, 6617, 7635, 10645, 19851, 27677, 31935, 33085, 83031, 99255, 138385, 415155, 1083661, 3250983, 5418305, 14087593, 16254915, 42262779, 70437965, 211313895]

約数ペア:

[(1, 211313895), (3, 70437965), (5, 42262779), (13, 16254915), (15, 14087593), (39, 5418305), (65, 3250983), (195, 1083661), (509, 415155), (1527, 138385), (2129, 99255), (2545, 83031), (6387, 33085), (6617, 31935), (7635, 27677), (10645, 19851)]