28756623

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 45678592

約数和(自身を除く): 16921969

約数列:

[1, 3, 7, 21, 31, 93, 163, 217, 271, 489, 651, 813, 1141, 1897, 3423, 5053, 5691, 8401, 15159, 25203, 35371, 44173, 58807, 106113, 132519, 176421, 309211, 927633, 1369363, 4108089, 9585541, 28756623]

約数ペア:

[(1, 28756623), (3, 9585541), (7, 4108089), (21, 1369363), (31, 927633), (93, 309211), (163, 176421), (217, 132519), (271, 106113), (489, 58807), (651, 44173), (813, 35371), (1141, 25203), (1897, 15159), (3423, 8401), (5053, 5691)]