16579725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 28873152

約数和(自身を除く): 12293427

約数列:

[1, 3, 5, 15, 25, 43, 53, 75, 97, 129, 159, 215, 265, 291, 485, 645, 795, 1075, 1325, 1455, 2279, 2425, 3225, 3975, 4171, 5141, 6837, 7275, 11395, 12513, 15423, 20855, 25705, 34185, 56975, 62565, 77115, 104275, 128525, 170925, 221063, 312825, 385575, 663189, 1105315, 3315945, 5526575, 16579725]

約数ペア:

[(1, 16579725), (3, 5526575), (5, 3315945), (15, 1105315), (25, 663189), (43, 385575), (53, 312825), (75, 221063), (97, 170925), (129, 128525), (159, 104275), (215, 77115), (265, 62565), (291, 56975), (485, 34185), (645, 25705), (795, 20855), (1075, 15423), (1325, 12513), (1455, 11395), (2279, 7275), (2425, 6837), (3225, 5141), (3975, 4171)]