13621755

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 26002944

約数和(自身を除く): 12381189

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 431, 645, 735, 903, 1293, 1505, 2107, 2155, 3017, 4515, 6321, 6465, 9051, 10535, 15085, 18533, 21119, 31605, 45255, 55599, 63357, 92665, 105595, 129731, 277995, 316785, 389193, 648655, 908117, 1945965, 2724351, 4540585, 13621755]

約数ペア:

[(1, 13621755), (3, 4540585), (5, 2724351), (7, 1945965), (15, 908117), (21, 648655), (35, 389193), (43, 316785), (49, 277995), (105, 129731), (129, 105595), (147, 92665), (215, 63357), (245, 55599), (301, 45255), (431, 31605), (645, 21119), (735, 18533), (903, 15085), (1293, 10535), (1505, 9051), (2107, 6465), (2155, 6321), (3017, 4515)]