81420552

素因数分解:

$2^3\times 3^6\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:654

約数の個数: 112

約数和(自身を含む): 239235840

約数和(自身を除く): 157815288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 243, 276, 324, 414, 486, 552, 607, 621, 648, 729, 828, 972, 1214, 1242, 1458, 1656, 1821, 1863, 1944, 2428, 2484, 2916, 3642, 3726, 4856, 4968, 5463, 5589, 5832, 7284, 7452, 10926, 11178, 13961, 14568, 14904, 16389, 16767, 21852, 22356, 27922, 32778, 33534, 41883, 43704, 44712, 49167, 55844, 65556, 67068, 83766, 98334, 111688, 125649, 131112, 134136, 147501, 167532, 196668, 251298, 295002, 335064, 376947, 393336, 442503, 502596, 590004, 753894, 885006, 1005192, 1130841, 1180008, 1507788, 1770012, 2261682, 3015576, 3392523, 3540024, 4523364, 6785046, 9046728, 10177569, 13570092, 20355138, 27140184, 40710276, 81420552]

約数ペア:

[(1, 81420552), (2, 40710276), (3, 27140184), (4, 20355138), (6, 13570092), (8, 10177569), (9, 9046728), (12, 6785046), (18, 4523364), (23, 3540024), (24, 3392523), (27, 3015576), (36, 2261682), (46, 1770012), (54, 1507788), (69, 1180008), (72, 1130841), (81, 1005192), (92, 885006), (108, 753894), (138, 590004), (162, 502596), (184, 442503), (207, 393336), (216, 376947), (243, 335064), (276, 295002), (324, 251298), (414, 196668), (486, 167532), (552, 147501), (607, 134136), (621, 131112), (648, 125649), (729, 111688), (828, 98334), (972, 83766), (1214, 67068), (1242, 65556), (1458, 55844), (1656, 49167), (1821, 44712), (1863, 43704), (1944, 41883), (2428, 33534), (2484, 32778), (2916, 27922), (3642, 22356), (3726, 21852), (4856, 16767), (4968, 16389), (5463, 14904), (5589, 14568), (5832, 13961), (7284, 11178), (7452, 10926)]