81443538

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21649}}^1$

素因数の和:21687

約数の個数: 48

約数和(自身を含む): 202644000

約数和(自身を除く): 121200462

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 342, 418, 627, 1254, 1881, 3762, 21649, 43298, 64947, 129894, 194841, 238139, 389682, 411331, 476278, 714417, 822662, 1233993, 1428834, 2143251, 2467986, 3701979, 4286502, 4524641, 7403958, 9049282, 13573923, 27147846, 40721769, 81443538]

約数ペア:

[(1, 81443538), (2, 40721769), (3, 27147846), (6, 13573923), (9, 9049282), (11, 7403958), (18, 4524641), (19, 4286502), (22, 3701979), (33, 2467986), (38, 2143251), (57, 1428834), (66, 1233993), (99, 822662), (114, 714417), (171, 476278), (198, 411331), (209, 389682), (342, 238139), (418, 194841), (627, 129894), (1254, 64947), (1881, 43298), (3762, 21649)]