65712129

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{21001}}^1$

素因数の和:21160

約数の個数: 16

約数和(自身を含む): 100809600

約数和(自身を除く): 35097471

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 21001, 63003, 147007, 441021, 3129149, 9387447, 21904043, 65712129]

約数ペア:

[(1, 65712129), (3, 21904043), (7, 9387447), (21, 3129149), (149, 441021), (447, 147007), (1043, 63003), (3129, 21001)]