16507221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 24634368

約数和(自身を除く): 8127147

約数列:

[1, 3, 17, 31, 51, 53, 93, 159, 197, 527, 591, 901, 1581, 1643, 2703, 3349, 4929, 6107, 10047, 10441, 18321, 27931, 31323, 83793, 103819, 177497, 311457, 323671, 532491, 971013, 5502407, 16507221]

約数ペア:

[(1, 16507221), (3, 5502407), (17, 971013), (31, 532491), (51, 323671), (53, 311457), (93, 177497), (159, 103819), (197, 83793), (527, 31323), (591, 27931), (901, 18321), (1581, 10441), (1643, 10047), (2703, 6107), (3349, 4929)]