172731999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 258969600

約数和(自身を除く): 86237601

約数列:

[1, 3, 11, 33, 59, 79, 177, 237, 649, 869, 1123, 1947, 2607, 3369, 4661, 12353, 13983, 37059, 51271, 66257, 88717, 153813, 198771, 266151, 728827, 975887, 2186481, 2927661, 5234303, 15702909, 57577333, 172731999]

約数ペア:

[(1, 172731999), (3, 57577333), (11, 15702909), (33, 5234303), (59, 2927661), (79, 2186481), (177, 975887), (237, 728827), (649, 266151), (869, 198771), (1123, 153813), (1947, 88717), (2607, 66257), (3369, 51271), (4661, 37059), (12353, 13983)]