55537521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 85051008

約数和(自身を除く): 29513487

約数列:

[1, 3, 13, 17, 39, 51, 211, 221, 397, 633, 663, 1191, 2743, 3587, 5161, 6749, 8229, 10761, 15483, 20247, 46631, 83767, 87737, 139893, 251301, 263211, 1088971, 1424039, 3266913, 4272117, 18512507, 55537521]

約数ペア:

[(1, 55537521), (3, 18512507), (13, 4272117), (17, 3266913), (39, 1424039), (51, 1088971), (211, 263211), (221, 251301), (397, 139893), (633, 87737), (663, 83767), (1191, 46631), (2743, 20247), (3587, 15483), (5161, 10761), (6749, 8229)]