77990025

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{17047}}^1$

素因数の和:17121

約数の個数: 24

約数和(自身を含む): 131065024

約数和(自身を除く): 53074999

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 17047, 51141, 85235, 255705, 426175, 1039867, 1278525, 3119601, 5199335, 15598005, 25996675, 77990025]

約数ペア:

[(1, 77990025), (3, 25996675), (5, 15598005), (15, 5199335), (25, 3119601), (61, 1278525), (75, 1039867), (183, 426175), (305, 255705), (915, 85235), (1525, 51141), (4575, 17047)]