64488753

素因数分解:

$3^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{569}}^1$

素因数の和:846

約数の個数: 36

約数和(自身を含む): 108971460

約数和(自身を除く): 44482707

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 257, 441, 569, 771, 1707, 1799, 2313, 3983, 5121, 5397, 11949, 12593, 16191, 27881, 35847, 37779, 83643, 113337, 146233, 250929, 438699, 1023631, 1316097, 3070893, 7165417, 9212679, 21496251, 64488753]

約数ペア:

[(1, 64488753), (3, 21496251), (7, 9212679), (9, 7165417), (21, 3070893), (49, 1316097), (63, 1023631), (147, 438699), (257, 250929), (441, 146233), (569, 113337), (771, 83643), (1707, 37779), (1799, 35847), (2313, 27881), (3983, 16191), (5121, 12593), (5397, 11949)]