1613385

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 64

約数和(自身を含む): 3283200

約数和(自身を除く): 1669815

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 37, 45, 51, 57, 85, 95, 111, 135, 153, 171, 185, 255, 285, 323, 333, 459, 513, 555, 629, 703, 765, 855, 969, 999, 1615, 1665, 1887, 2109, 2295, 2565, 2907, 3145, 3515, 4845, 4995, 5661, 6327, 8721, 9435, 10545, 11951, 14535, 16983, 18981, 28305, 31635, 35853, 43605, 59755, 84915, 94905, 107559, 179265, 322677, 537795, 1613385]

約数ペア:

[(1, 1613385), (3, 537795), (5, 322677), (9, 179265), (15, 107559), (17, 94905), (19, 84915), (27, 59755), (37, 43605), (45, 35853), (51, 31635), (57, 28305), (85, 18981), (95, 16983), (111, 14535), (135, 11951), (153, 10545), (171, 9435), (185, 8721), (255, 6327), (285, 5661), (323, 4995), (333, 4845), (459, 3515), (513, 3145), (555, 2907), (629, 2565), (703, 2295), (765, 2109), (855, 1887), (969, 1665), (999, 1615)]