81402783

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 150958080

約数和(自身を除く): 69555297

約数列:

[1, 3, 7, 11, 17, 19, 21, 33, 51, 57, 77, 119, 133, 187, 209, 231, 323, 357, 399, 561, 627, 969, 1091, 1309, 1463, 2261, 3273, 3553, 3927, 4389, 6783, 7637, 10659, 12001, 18547, 20729, 22911, 24871, 36003, 55641, 62187, 74613, 84007, 129829, 145103, 204017, 228019, 252021, 352393, 389487, 435309, 612051, 684057, 1057179, 1428119, 1596133, 2466751, 3876323, 4284357, 4788399, 7400253, 11628969, 27134261, 81402783]

約数ペア:

[(1, 81402783), (3, 27134261), (7, 11628969), (11, 7400253), (17, 4788399), (19, 4284357), (21, 3876323), (33, 2466751), (51, 1596133), (57, 1428119), (77, 1057179), (119, 684057), (133, 612051), (187, 435309), (209, 389487), (231, 352393), (323, 252021), (357, 228019), (399, 204017), (561, 145103), (627, 129829), (969, 84007), (1091, 74613), (1309, 62187), (1463, 55641), (2261, 36003), (3273, 24871), (3553, 22911), (3927, 20729), (4389, 18547), (6783, 12001), (7637, 10659)]