209753313

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{1249}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 349440000

約数和(自身を除く): 139686687

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 727, 1249, 2181, 3747, 5089, 7997, 8743, 13739, 15267, 23991, 26229, 41217, 55979, 96173, 167937, 288519, 908023, 2724069, 6356161, 9988253, 19068483, 29964759, 69917771, 209753313]

約数ペア:

[(1, 209753313), (3, 69917771), (7, 29964759), (11, 19068483), (21, 9988253), (33, 6356161), (77, 2724069), (231, 908023), (727, 288519), (1249, 167937), (2181, 96173), (3747, 55979), (5089, 41217), (7997, 26229), (8743, 23991), (13739, 15267)]