64810347

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 102144000

約数和(自身を除く): 37333653

約数列:

[1, 3, 7, 21, 37, 111, 239, 259, 349, 717, 777, 1047, 1673, 2443, 5019, 7329, 8843, 12913, 26529, 38739, 61901, 83411, 90391, 185703, 250233, 271173, 583877, 1751631, 3086207, 9258621, 21603449, 64810347]

約数ペア:

[(1, 64810347), (3, 21603449), (7, 9258621), (21, 3086207), (37, 1751631), (111, 583877), (239, 271173), (259, 250233), (349, 185703), (717, 90391), (777, 83411), (1047, 61901), (1673, 38739), (2443, 26529), (5019, 12913), (7329, 8843)]