66720015

素因数分解:

$3^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{2467}}^1$

素因数の和:3079

約数の個数: 24

約数和(自身を含む): 115887408

約数和(自身を除く): 49167393

約数列:

[1, 3, 5, 9, 15, 45, 601, 1803, 2467, 3005, 5409, 7401, 9015, 12335, 22203, 27045, 37005, 111015, 1482667, 4448001, 7413335, 13344003, 22240005, 66720015]

約数ペア:

[(1, 66720015), (3, 22240005), (5, 13344003), (9, 7413335), (15, 4448001), (45, 1482667), (601, 111015), (1803, 37005), (2467, 27045), (3005, 22203), (5409, 12335), (7401, 9015)]