1949865981

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1\times {\mathrm{1021}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 2995163136

約数和(自身を除く): 1045297155

約数列:

[1, 3, 7, 21, 211, 431, 633, 1021, 1293, 1477, 3017, 3063, 4431, 7147, 9051, 21441, 90941, 215431, 272823, 440051, 636587, 646293, 1320153, 1508017, 1909761, 3080357, 4524051, 9241071, 92850761, 278552283, 649955327, 1949865981]

約数ペア:

[(1, 1949865981), (3, 649955327), (7, 278552283), (21, 92850761), (211, 9241071), (431, 4524051), (633, 3080357), (1021, 1909761), (1293, 1508017), (1477, 1320153), (3017, 646293), (3063, 636587), (4431, 440051), (7147, 272823), (9051, 215431), (21441, 90941)]