248288517

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 402278400

約数和(自身を除く): 153989883

約数列:

[1, 3, 9, 27, 29, 31, 53, 87, 93, 159, 193, 261, 279, 477, 579, 783, 837, 899, 1431, 1537, 1643, 1737, 2697, 4611, 4929, 5211, 5597, 5983, 8091, 10229, 13833, 14787, 16791, 17949, 24273, 30687, 41499, 44361, 47647, 50373, 53847, 92061, 142941, 151119, 161541, 173507, 276183, 296641, 317099, 428823, 520521, 889923, 951297, 1286469, 1561563, 2669769, 2853891, 4684689, 8009307, 8561673, 9195871, 27587613, 82762839, 248288517]

約数ペア:

[(1, 248288517), (3, 82762839), (9, 27587613), (27, 9195871), (29, 8561673), (31, 8009307), (53, 4684689), (87, 2853891), (93, 2669769), (159, 1561563), (193, 1286469), (261, 951297), (279, 889923), (477, 520521), (579, 428823), (783, 317099), (837, 296641), (899, 276183), (1431, 173507), (1537, 161541), (1643, 151119), (1737, 142941), (2697, 92061), (4611, 53847), (4929, 50373), (5211, 47647), (5597, 44361), (5983, 41499), (8091, 30687), (10229, 24273), (13833, 17949), (14787, 16791)]