191047581

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 303937920

約数和(自身を除く): 112890339

約数列:

[1, 3, 9, 17, 43, 51, 71, 129, 153, 213, 387, 409, 639, 731, 1207, 1227, 2193, 3053, 3621, 3681, 6579, 6953, 9159, 10863, 17587, 20859, 27477, 29039, 51901, 52761, 62577, 87117, 155703, 158283, 261351, 298979, 467109, 493663, 896937, 1248677, 1480989, 2690811, 3746031, 4442967, 11238093, 21227509, 63682527, 191047581]

約数ペア:

[(1, 191047581), (3, 63682527), (9, 21227509), (17, 11238093), (43, 4442967), (51, 3746031), (71, 2690811), (129, 1480989), (153, 1248677), (213, 896937), (387, 493663), (409, 467109), (639, 298979), (731, 261351), (1207, 158283), (1227, 155703), (2193, 87117), (3053, 62577), (3621, 52761), (3681, 51901), (6579, 29039), (6953, 27477), (9159, 20859), (10863, 17587)]