1291567221

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{158923}}^1$

素因数の和:158982

約数の個数: 32

約数和(自身を含む): 2237649920

約数和(自身を除く): 946082699

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 158923, 476769, 1112461, 1430307, 3337383, 4290921, 6833689, 10012149, 20501067, 30036447, 47835823, 61503201, 143507469, 184509603, 430522407, 1291567221]

約数ペア:

[(1, 1291567221), (3, 430522407), (7, 184509603), (9, 143507469), (21, 61503201), (27, 47835823), (43, 30036447), (63, 20501067), (129, 10012149), (189, 6833689), (301, 4290921), (387, 3337383), (903, 1430307), (1161, 1112461), (2709, 476769), (8127, 158923)]