639117633

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4441}}^1$

素因数の和:4558

約数の個数: 48

約数和(自身を含む): 1093798080

約数和(自身を除く): 454680447

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 89, 147, 231, 267, 539, 623, 979, 1617, 1869, 2937, 4361, 4441, 6853, 13083, 13323, 20559, 31087, 47971, 48851, 93261, 143913, 146553, 217609, 341957, 395249, 652827, 1025871, 1185747, 2393699, 2766743, 4347739, 7181097, 8300229, 13043217, 19367201, 30434173, 58101603, 91302519, 213039211, 639117633]

約数ペア:

[(1, 639117633), (3, 213039211), (7, 91302519), (11, 58101603), (21, 30434173), (33, 19367201), (49, 13043217), (77, 8300229), (89, 7181097), (147, 4347739), (231, 2766743), (267, 2393699), (539, 1185747), (623, 1025871), (979, 652827), (1617, 395249), (1869, 341957), (2937, 217609), (4361, 146553), (4441, 143913), (6853, 93261), (13083, 48851), (13323, 47971), (20559, 31087)]