16489275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 31664640

約数和(自身を除く): 15175365

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 79, 115, 121, 165, 237, 253, 275, 345, 363, 395, 575, 605, 759, 825, 869, 1185, 1265, 1725, 1815, 1817, 1975, 2607, 2783, 3025, 3795, 4345, 5451, 5925, 6325, 8349, 9075, 9085, 9559, 13035, 13915, 18975, 19987, 21725, 27255, 28677, 41745, 45425, 47795, 59961, 65175, 69575, 99935, 136275, 143385, 208725, 219857, 238975, 299805, 499675, 659571, 716925, 1099285, 1499025, 3297855, 5496425, 16489275]

約数ペア:

[(1, 16489275), (3, 5496425), (5, 3297855), (11, 1499025), (15, 1099285), (23, 716925), (25, 659571), (33, 499675), (55, 299805), (69, 238975), (75, 219857), (79, 208725), (115, 143385), (121, 136275), (165, 99935), (237, 69575), (253, 65175), (275, 59961), (345, 47795), (363, 45425), (395, 41745), (575, 28677), (605, 27255), (759, 21725), (825, 19987), (869, 18975), (1185, 13915), (1265, 13035), (1725, 9559), (1815, 9085), (1817, 9075), (1975, 8349), (2607, 6325), (2783, 5925), (3025, 5451), (3795, 4345)]