64743693

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 101025792

約数和(自身を除く): 36282099

約数列:

[1, 3, 7, 21, 71, 173, 213, 251, 497, 519, 753, 1211, 1491, 1757, 3633, 5271, 12283, 17821, 36849, 43423, 53463, 85981, 124747, 130269, 257943, 303961, 374241, 911883, 3083033, 9249099, 21581231, 64743693]

約数ペア:

[(1, 64743693), (3, 21581231), (7, 9249099), (21, 3083033), (71, 911883), (173, 374241), (213, 303961), (251, 257943), (497, 130269), (519, 124747), (753, 85981), (1211, 53463), (1491, 43423), (1757, 36849), (3633, 17821), (5271, 12283)]