220814979

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50311}}^1$

素因数の和:50351

約数の個数: 32

約数和(自身を含む): 386396160

約数和(自身を除く): 165581181

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 50311, 150933, 352177, 553421, 955909, 1056531, 1660263, 2867727, 3873947, 6691363, 10514999, 11621841, 20074089, 31544997, 73604993, 220814979]

約数ペア:

[(1, 220814979), (3, 73604993), (7, 31544997), (11, 20074089), (19, 11621841), (21, 10514999), (33, 6691363), (57, 3873947), (77, 2867727), (133, 1660263), (209, 1056531), (231, 955909), (399, 553421), (627, 352177), (1463, 150933), (4389, 50311)]