3991005

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 7879680

約数和(自身を除く): 3888675

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 47, 51, 85, 111, 135, 141, 153, 185, 235, 255, 333, 423, 459, 555, 629, 705, 765, 799, 999, 1269, 1665, 1739, 1887, 2115, 2295, 2397, 3145, 3995, 4995, 5217, 5661, 6345, 7191, 8695, 9435, 11985, 15651, 16983, 21573, 26085, 28305, 29563, 35955, 46953, 78255, 84915, 88689, 107865, 147815, 234765, 266067, 443445, 798201, 1330335, 3991005]

約数ペア:

[(1, 3991005), (3, 1330335), (5, 798201), (9, 443445), (15, 266067), (17, 234765), (27, 147815), (37, 107865), (45, 88689), (47, 84915), (51, 78255), (85, 46953), (111, 35955), (135, 29563), (141, 28305), (153, 26085), (185, 21573), (235, 16983), (255, 15651), (333, 11985), (423, 9435), (459, 8695), (555, 7191), (629, 6345), (705, 5661), (765, 5217), (799, 4995), (999, 3995), (1269, 3145), (1665, 2397), (1739, 2295), (1887, 2115)]