797788257

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 1335523680

約数和(自身を除く): 537735423

約数列:

[1, 3, 7, 17, 21, 49, 51, 89, 119, 147, 211, 267, 289, 357, 623, 633, 833, 867, 1477, 1513, 1869, 2023, 2499, 3587, 4361, 4431, 4539, 6069, 10339, 10591, 10761, 13083, 14161, 18779, 25109, 25721, 31017, 31773, 42483, 56337, 60979, 74137, 75327, 77163, 131453, 175763, 180047, 182937, 222411, 319243, 394359, 426853, 527289, 540141, 920171, 957729, 1260329, 1280559, 2234701, 2760513, 2987971, 3780987, 5427131, 6704103, 8963913, 15642907, 16281393, 37989917, 46928721, 113969751, 265929419, 797788257]

約数ペア:

[(1, 797788257), (3, 265929419), (7, 113969751), (17, 46928721), (21, 37989917), (49, 16281393), (51, 15642907), (89, 8963913), (119, 6704103), (147, 5427131), (211, 3780987), (267, 2987971), (289, 2760513), (357, 2234701), (623, 1280559), (633, 1260329), (833, 957729), (867, 920171), (1477, 540141), (1513, 527289), (1869, 426853), (2023, 394359), (2499, 319243), (3587, 222411), (4361, 182937), (4431, 180047), (4539, 175763), (6069, 131453), (10339, 77163), (10591, 75327), (10761, 74137), (13083, 60979), (14161, 56337), (18779, 42483), (25109, 31773), (25721, 31017)]