1289631

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 2072064

約数和(自身を除く): 782433

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 283, 651, 849, 1519, 1981, 4557, 5943, 8773, 13867, 26319, 41601, 61411, 184233, 429877, 1289631]

約数ペア:

[(1, 1289631), (3, 429877), (7, 184233), (21, 61411), (31, 41601), (49, 26319), (93, 13867), (147, 8773), (217, 5943), (283, 4557), (651, 1981), (849, 1519)]