3887845

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 5217696

約数和(自身を除く): 1329851

約数列:

[1, 5, 13, 43, 65, 107, 169, 215, 535, 559, 845, 1391, 2795, 4601, 6955, 7267, 18083, 23005, 36335, 59813, 90415, 299065, 777569, 3887845]

約数ペア:

[(1, 3887845), (5, 777569), (13, 299065), (43, 90415), (65, 59813), (107, 36335), (169, 23005), (215, 18083), (535, 7267), (559, 6955), (845, 4601), (1391, 2795)]