199914885

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4447}}^1$

素因数の和:4504

約数の個数: 48

約数和(自身を含む): 369148416

約数和(自身を除く): 169233531

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 243, 333, 405, 555, 999, 1215, 1665, 2997, 4447, 4995, 8991, 13341, 14985, 22235, 40023, 44955, 66705, 120069, 164539, 200115, 360207, 493617, 600345, 822695, 1080621, 1480851, 1801035, 2468085, 4442553, 5403105, 7404255, 13327659, 22212765, 39982977, 66638295, 199914885]

約数ペア:

[(1, 199914885), (3, 66638295), (5, 39982977), (9, 22212765), (15, 13327659), (27, 7404255), (37, 5403105), (45, 4442553), (81, 2468085), (111, 1801035), (135, 1480851), (185, 1080621), (243, 822695), (333, 600345), (405, 493617), (555, 360207), (999, 200115), (1215, 164539), (1665, 120069), (2997, 66705), (4447, 44955), (4995, 40023), (8991, 22235), (13341, 14985)]