64679985

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28183}}^1$

素因数の和:28214

約数の個数: 32

約数和(自身を含む): 121754880

約数和(自身を除く): 57074895

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 28183, 84549, 140915, 253647, 422745, 479111, 760941, 1268235, 1437333, 2395555, 3804705, 4311999, 7186665, 12935997, 21559995, 64679985]

約数ペア:

[(1, 64679985), (3, 21559995), (5, 12935997), (9, 7186665), (15, 4311999), (17, 3804705), (27, 2395555), (45, 1437333), (51, 1268235), (85, 760941), (135, 479111), (153, 422745), (255, 253647), (459, 140915), (765, 84549), (2295, 28183)]