2009207805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{392807}}^1$

素因数の和:392857

約数の個数: 32

約数和(自身を含む): 3620118528

約数和(自身を除く): 1610910723

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 5115, 392807, 1178421, 1964035, 4320877, 5892105, 12177017, 12962631, 21604385, 36531051, 60885085, 64813155, 133947187, 182655255, 401841561, 669735935, 2009207805]

約数ペア:

[(1, 2009207805), (3, 669735935), (5, 401841561), (11, 182655255), (15, 133947187), (31, 64813155), (33, 60885085), (55, 36531051), (93, 21604385), (155, 12962631), (165, 12177017), (341, 5892105), (465, 4320877), (1023, 1964035), (1705, 1178421), (5115, 392807)]