71806833

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 125798400

約数和(自身を除く): 53991567

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 239, 251, 399, 717, 753, 1197, 1673, 1757, 2151, 2259, 4541, 4769, 5019, 5271, 13623, 14307, 15057, 15813, 31787, 33383, 40869, 42921, 59989, 95361, 100149, 179967, 286083, 300447, 419923, 539901, 1139791, 1259769, 3419373, 3779307, 7978537, 10258119, 23935611, 71806833]

約数ペア:

[(1, 71806833), (3, 23935611), (7, 10258119), (9, 7978537), (19, 3779307), (21, 3419373), (57, 1259769), (63, 1139791), (133, 539901), (171, 419923), (239, 300447), (251, 286083), (399, 179967), (717, 100149), (753, 95361), (1197, 59989), (1673, 42921), (1757, 40869), (2151, 33383), (2259, 31787), (4541, 15813), (4769, 15057), (5019, 14307), (5271, 13623)]