66856515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 123863040

約数和(自身を除く): 57006525

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 79, 115, 165, 223, 237, 253, 345, 395, 669, 759, 869, 1115, 1185, 1265, 1817, 2453, 2607, 3345, 3795, 4345, 5129, 5451, 7359, 9085, 12265, 13035, 15387, 17617, 19987, 25645, 27255, 36795, 52851, 56419, 59961, 76935, 88085, 99935, 169257, 193787, 264255, 282095, 299805, 405191, 581361, 846285, 968935, 1215573, 2025955, 2906805, 4457101, 6077865, 13371303, 22285505, 66856515]

約数ペア:

[(1, 66856515), (3, 22285505), (5, 13371303), (11, 6077865), (15, 4457101), (23, 2906805), (33, 2025955), (55, 1215573), (69, 968935), (79, 846285), (115, 581361), (165, 405191), (223, 299805), (237, 282095), (253, 264255), (345, 193787), (395, 169257), (669, 99935), (759, 88085), (869, 76935), (1115, 59961), (1185, 56419), (1265, 52851), (1817, 36795), (2453, 27255), (2607, 25645), (3345, 19987), (3795, 17617), (4345, 15387), (5129, 13035), (5451, 12265), (7359, 9085)]