521426943

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{1787}}^1$

素因数の和:2004

約数の個数: 32

約数和(自身を含む): 787864320

約数和(自身を除く): 266437377

約数列:

[1, 3, 9, 27, 101, 107, 303, 321, 909, 963, 1787, 2727, 2889, 5361, 10807, 16083, 32421, 48249, 97263, 180487, 191209, 291789, 541461, 573627, 1624383, 1720881, 4873149, 5162643, 19312109, 57936327, 173808981, 521426943]

約数ペア:

[(1, 521426943), (3, 173808981), (9, 57936327), (27, 19312109), (101, 5162643), (107, 4873149), (303, 1720881), (321, 1624383), (909, 573627), (963, 541461), (1787, 291789), (2727, 191209), (2889, 180487), (5361, 97263), (10807, 48249), (16083, 32421)]