13647221

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 15993600

約数和(自身を除く): 2346379

約数列:

[1, 7, 97, 101, 199, 679, 707, 1393, 9797, 19303, 20099, 68579, 135121, 140693, 1949603, 13647221]

約数ペア:

[(1, 13647221), (7, 1949603), (97, 140693), (101, 135121), (199, 68579), (679, 20099), (707, 19303), (1393, 9797)]