1277999715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{60727}}^1$

素因数の和:60819

約数の個数: 32

約数和(自身を含む): 2168718336

約数和(自身を除く): 890718621

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 915, 1403, 4209, 7015, 21045, 60727, 182181, 303635, 910905, 1396721, 3704347, 4190163, 6983605, 11113041, 18521735, 20950815, 55565205, 85199981, 255599943, 425999905, 1277999715]

約数ペア:

[(1, 1277999715), (3, 425999905), (5, 255599943), (15, 85199981), (23, 55565205), (61, 20950815), (69, 18521735), (115, 11113041), (183, 6983605), (305, 4190163), (345, 3704347), (915, 1396721), (1403, 910905), (4209, 303635), (7015, 182181), (21045, 60727)]