1778553621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{853}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 2820085632

約数和(自身を除く): 1041532011

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 251, 639, 753, 853, 923, 2259, 2559, 2769, 3263, 7677, 8307, 9789, 11089, 17821, 29367, 33267, 53463, 60563, 99801, 160389, 181689, 214103, 231673, 545067, 642309, 695019, 787319, 1926927, 2085057, 2361957, 2783339, 7085871, 8350017, 15201313, 25050051, 45603939, 136811817, 197617069, 592851207, 1778553621]

約数ペア:

[(1, 1778553621), (3, 592851207), (9, 197617069), (13, 136811817), (39, 45603939), (71, 25050051), (117, 15201313), (213, 8350017), (251, 7085871), (639, 2783339), (753, 2361957), (853, 2085057), (923, 1926927), (2259, 787319), (2559, 695019), (2769, 642309), (3263, 545067), (7677, 231673), (8307, 214103), (9789, 181689), (11089, 160389), (17821, 99801), (29367, 60563), (33267, 53463)]