289898271

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 471359616

約数和(自身を除く): 181461345

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 163, 243, 351, 489, 563, 1053, 1467, 1689, 2119, 3159, 4401, 5067, 6357, 7319, 13203, 15201, 19071, 21957, 39609, 45603, 57213, 65871, 91769, 136809, 171639, 197613, 275307, 514917, 592839, 825921, 1192997, 1778517, 2477763, 3578991, 7433289, 10736973, 22299867, 32210919, 96632757, 289898271]

約数ペア:

[(1, 289898271), (3, 96632757), (9, 32210919), (13, 22299867), (27, 10736973), (39, 7433289), (81, 3578991), (117, 2477763), (163, 1778517), (243, 1192997), (351, 825921), (489, 592839), (563, 514917), (1053, 275307), (1467, 197613), (1689, 171639), (2119, 136809), (3159, 91769), (4401, 65871), (5067, 57213), (6357, 45603), (7319, 39609), (13203, 21957), (15201, 19071)]