64001985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6397}}^1$

素因数の和:6457

約数の個数: 32

約数和(自身を含む): 110557440

約数和(自身を除く): 46555455

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 3335, 6397, 10005, 19191, 31985, 95955, 147131, 185513, 441393, 556539, 735655, 927565, 2206965, 2782695, 4266799, 12800397, 21333995, 64001985]

約数ペア:

[(1, 64001985), (3, 21333995), (5, 12800397), (15, 4266799), (23, 2782695), (29, 2206965), (69, 927565), (87, 735655), (115, 556539), (145, 441393), (345, 185513), (435, 147131), (667, 95955), (2001, 31985), (3335, 19191), (6397, 10005)]