13397679

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1667}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 20816640

約数和(自身を除く): 7418961

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 1667, 2679, 5001, 8037, 15003, 31673, 78349, 95019, 235047, 285057, 705141, 1488631, 4465893, 13397679]

約数ペア:

[(1, 13397679), (3, 4465893), (9, 1488631), (19, 705141), (47, 285057), (57, 235047), (141, 95019), (171, 78349), (423, 31673), (893, 15003), (1667, 8037), (2679, 5001)]