31978947

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 59867136

約数和(自身を除く): 27888189

約数列:

[1, 3, 7, 11, 13, 21, 23, 33, 39, 69, 77, 91, 143, 161, 231, 253, 273, 299, 429, 463, 483, 759, 897, 1001, 1389, 1771, 2093, 3003, 3241, 3289, 5093, 5313, 6019, 6279, 9723, 9867, 10649, 15279, 18057, 23023, 31947, 35651, 42133, 66209, 69069, 74543, 106953, 117139, 126399, 138437, 198627, 223629, 351417, 415311, 463463, 819973, 969059, 1390389, 1522807, 2459919, 2907177, 4568421, 10659649, 31978947]

約数ペア:

[(1, 31978947), (3, 10659649), (7, 4568421), (11, 2907177), (13, 2459919), (21, 1522807), (23, 1390389), (33, 969059), (39, 819973), (69, 463463), (77, 415311), (91, 351417), (143, 223629), (161, 198627), (231, 138437), (253, 126399), (273, 117139), (299, 106953), (429, 74543), (463, 69069), (483, 66209), (759, 42133), (897, 35651), (1001, 31947), (1389, 23023), (1771, 18057), (2093, 15279), (3003, 10649), (3241, 9867), (3289, 9723), (5093, 6279), (5313, 6019)]