2011185

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 4043520

約数和(自身を除く): 2032335

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 239, 255, 495, 561, 717, 765, 935, 1195, 1683, 2151, 2629, 2805, 3585, 4063, 7887, 8415, 10755, 12189, 13145, 20315, 23661, 36567, 39435, 44693, 60945, 118305, 134079, 182835, 223465, 402237, 670395, 2011185]

約数ペア:

[(1, 2011185), (3, 670395), (5, 402237), (9, 223465), (11, 182835), (15, 134079), (17, 118305), (33, 60945), (45, 44693), (51, 39435), (55, 36567), (85, 23661), (99, 20315), (153, 13145), (165, 12189), (187, 10755), (239, 8415), (255, 7887), (495, 4063), (561, 3585), (717, 2805), (765, 2629), (935, 2151), (1195, 1683)]