8345421

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{953}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 13890240

約数和(自身を除く): 5544819

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 953, 973, 1251, 2859, 2919, 6671, 8577, 8757, 20013, 60039, 132467, 397401, 927269, 1192203, 2781807, 8345421]

約数ペア:

[(1, 8345421), (3, 2781807), (7, 1192203), (9, 927269), (21, 397401), (63, 132467), (139, 60039), (417, 20013), (953, 8757), (973, 8577), (1251, 6671), (2859, 2919)]