81789915

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 134346240

約数和(自身を除く): 52556325

約数列:

[1, 3, 5, 15, 67, 97, 201, 291, 335, 485, 839, 1005, 1455, 2517, 4195, 6499, 12585, 19497, 32495, 56213, 81383, 97485, 168639, 244149, 281065, 406915, 843195, 1220745, 5452661, 16357983, 27263305, 81789915]

約数ペア:

[(1, 81789915), (3, 27263305), (5, 16357983), (15, 5452661), (67, 1220745), (97, 843195), (201, 406915), (291, 281065), (335, 244149), (485, 168639), (839, 97485), (1005, 81383), (1455, 56213), (2517, 32495), (4195, 19497), (6499, 12585)]