31388973

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1123}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 52657152

約数和(自身を除く): 21268179

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 1123, 1331, 2541, 3369, 3993, 7861, 9317, 12353, 23583, 27951, 37059, 86471, 135883, 259413, 407649, 951181, 1494713, 2853543, 4484139, 10462991, 31388973]

約数ペア:

[(1, 31388973), (3, 10462991), (7, 4484139), (11, 2853543), (21, 1494713), (33, 951181), (77, 407649), (121, 259413), (231, 135883), (363, 86471), (847, 37059), (1123, 27951), (1331, 23583), (2541, 12353), (3369, 9317), (3993, 7861)]