68437575

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1985

約数の個数: 48

約数和(自身を含む): 128161440

約数和(自身を除く): 59723865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 477, 675, 795, 1325, 1431, 1913, 2385, 3975, 5739, 7155, 9565, 11925, 17217, 28695, 35775, 47825, 51651, 86085, 101389, 143475, 258255, 304167, 430425, 506945, 912501, 1291275, 1520835, 2534725, 2737503, 4562505, 7604175, 13687515, 22812525, 68437575]

約数ペア:

[(1, 68437575), (3, 22812525), (5, 13687515), (9, 7604175), (15, 4562505), (25, 2737503), (27, 2534725), (45, 1520835), (53, 1291275), (75, 912501), (135, 506945), (159, 430425), (225, 304167), (265, 258255), (477, 143475), (675, 101389), (795, 86085), (1325, 51651), (1431, 47825), (1913, 35775), (2385, 28695), (3975, 17217), (5739, 11925), (7155, 9565)]