1252815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^4$

素因数の和:76

約数の個数: 20

約数和(自身を含む): 2129784

約数和(自身を除く): 876969

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4913, 14739, 24565, 73695, 83521, 250563, 417605, 1252815]

約数ペア:

[(1, 1252815), (3, 417605), (5, 250563), (15, 83521), (17, 73695), (51, 24565), (85, 14739), (255, 4913), (289, 4335), (867, 1445)]