220053897

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{12889}}^1$

素因数の和:13173

約数の個数: 24

約数和(自身を含む): 364632320

約数和(自身を除く): 144578423

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1897, 2439, 5691, 12889, 17073, 38667, 90223, 116001, 270669, 812007, 3492919, 10478757, 24450433, 31436271, 73351299, 220053897]

約数ペア:

[(1, 220053897), (3, 73351299), (7, 31436271), (9, 24450433), (21, 10478757), (63, 3492919), (271, 812007), (813, 270669), (1897, 116001), (2439, 90223), (5691, 38667), (12889, 17073)]