17997577

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 22063104

約数和(自身を除く): 4065527

約数列:

[1, 13, 17, 31, 37, 71, 221, 403, 481, 527, 629, 923, 1147, 1207, 2201, 2627, 6851, 8177, 14911, 15691, 19499, 28613, 34151, 37417, 44659, 81437, 253487, 486421, 580567, 1058681, 1384429, 17997577]

約数ペア:

[(1, 17997577), (13, 1384429), (17, 1058681), (31, 580567), (37, 486421), (71, 253487), (221, 81437), (403, 44659), (481, 37417), (527, 34151), (629, 28613), (923, 19499), (1147, 15691), (1207, 14911), (2201, 8177), (2627, 6851)]