9971442

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 48

約数和(自身を含む): 23831808

約数和(自身を除く): 13860366

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 991, 1118, 1677, 1982, 2973, 3354, 5031, 5946, 8919, 10062, 12883, 17838, 25766, 38649, 42613, 77298, 85226, 115947, 127839, 231894, 255678, 383517, 553969, 767034, 1107938, 1661907, 3323814, 4985721, 9971442]

約数ペア:

[(1, 9971442), (2, 4985721), (3, 3323814), (6, 1661907), (9, 1107938), (13, 767034), (18, 553969), (26, 383517), (39, 255678), (43, 231894), (78, 127839), (86, 115947), (117, 85226), (129, 77298), (234, 42613), (258, 38649), (387, 25766), (559, 17838), (774, 12883), (991, 10062), (1118, 8919), (1677, 5946), (1982, 5031), (2973, 3354)]