142478973

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 262778880

約数和(自身を除く): 120299907

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 103, 117, 189, 273, 309, 351, 563, 721, 819, 927, 1339, 1689, 2163, 2457, 2781, 3941, 4017, 5067, 6489, 7319, 9373, 11823, 12051, 15201, 19467, 21957, 28119, 35469, 36153, 51233, 57989, 65871, 84357, 106407, 153699, 173967, 197613, 253071, 405923, 461097, 521901, 753857, 1217769, 1383291, 1565703, 2261571, 3653307, 5276999, 6784713, 10959921, 15830997, 20354139, 47492991, 142478973]

約数ペア:

[(1, 142478973), (3, 47492991), (7, 20354139), (9, 15830997), (13, 10959921), (21, 6784713), (27, 5276999), (39, 3653307), (63, 2261571), (91, 1565703), (103, 1383291), (117, 1217769), (189, 753857), (273, 521901), (309, 461097), (351, 405923), (563, 253071), (721, 197613), (819, 173967), (927, 153699), (1339, 106407), (1689, 84357), (2163, 65871), (2457, 57989), (2781, 51233), (3941, 36153), (4017, 35469), (5067, 28119), (6489, 21957), (7319, 19467), (9373, 15201), (11823, 12051)]