51117717

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 80842752

約数和(自身を除く): 29725035

約数列:

[1, 3, 7, 21, 47, 67, 141, 201, 329, 469, 773, 987, 1407, 2319, 3149, 5411, 9447, 16233, 22043, 36331, 51791, 66129, 108993, 155373, 254317, 362537, 762951, 1087611, 2434177, 7302531, 17039239, 51117717]

約数ペア:

[(1, 51117717), (3, 17039239), (7, 7302531), (21, 2434177), (47, 1087611), (67, 762951), (141, 362537), (201, 254317), (329, 155373), (469, 108993), (773, 66129), (987, 51791), (1407, 36331), (2319, 22043), (3149, 16233), (5411, 9447)]