42123159

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 68573120

約数和(自身を除く): 26449961

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 327, 351, 367, 981, 1053, 1101, 1417, 2943, 3303, 4251, 4771, 8829, 9909, 12753, 14313, 29727, 38259, 40003, 42939, 114777, 120009, 128817, 360027, 386451, 520039, 1080081, 1560117, 3240243, 4680351, 14041053, 42123159]

約数ペア:

[(1, 42123159), (3, 14041053), (9, 4680351), (13, 3240243), (27, 1560117), (39, 1080081), (81, 520039), (109, 386451), (117, 360027), (327, 128817), (351, 120009), (367, 114777), (981, 42939), (1053, 40003), (1101, 38259), (1417, 29727), (2943, 14313), (3303, 12753), (4251, 9909), (4771, 8829)]