64681071

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 109949952

約数和(自身を除く): 45268881

約数列:

[1, 3, 7, 13, 21, 39, 47, 71, 91, 141, 213, 273, 329, 497, 611, 923, 987, 1491, 1833, 2769, 3337, 4277, 5041, 6461, 10011, 12831, 15123, 19383, 23359, 35287, 43381, 65533, 70077, 105861, 130143, 196599, 236927, 303667, 458731, 710781, 911001, 1376193, 1658489, 3080051, 4975467, 9240153, 21560357, 64681071]

約数ペア:

[(1, 64681071), (3, 21560357), (7, 9240153), (13, 4975467), (21, 3080051), (39, 1658489), (47, 1376193), (71, 911001), (91, 710781), (141, 458731), (213, 303667), (273, 236927), (329, 196599), (497, 130143), (611, 105861), (923, 70077), (987, 65533), (1491, 43381), (1833, 35287), (2769, 23359), (3337, 19383), (4277, 15123), (5041, 12831), (6461, 10011)]