2012990535

素因数分解:

$3^4\times 5^1\times {\mathrm{4970347}}^1$

素因数の和:4970364

約数の個数: 20

約数和(自身を含む): 3608472648

約数和(自身を除く): 1595482113

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4970347, 14911041, 24851735, 44733123, 74555205, 134199369, 223665615, 402598107, 670996845, 2012990535]

約数ペア:

[(1, 2012990535), (3, 670996845), (5, 402598107), (9, 223665615), (15, 134199369), (27, 74555205), (45, 44733123), (81, 24851735), (135, 14911041), (405, 4970347)]