81307746

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{115823}}^1$

素因数の和:115847

約数の個数: 32

約数和(自身を含む): 194584320

約数和(自身を除く): 113276574

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 115823, 231646, 347469, 694938, 1042407, 1505699, 2084814, 3011398, 3127221, 4517097, 6254442, 9034194, 13551291, 27102582, 40653873, 81307746]

約数ペア:

[(1, 81307746), (2, 40653873), (3, 27102582), (6, 13551291), (9, 9034194), (13, 6254442), (18, 4517097), (26, 3127221), (27, 3011398), (39, 2084814), (54, 1505699), (78, 1042407), (117, 694938), (234, 347469), (351, 231646), (702, 115823)]