128247273

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61687}}^1$

素因数の和:61714

約数の個数: 32

約数和(自身を含む): 236881920

約数和(自身を除く): 108634647

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 61687, 185061, 431809, 555183, 678557, 1295427, 1665549, 2035671, 3886281, 4749899, 6107013, 11658843, 14249697, 18321039, 42749091, 128247273]

約数ペア:

[(1, 128247273), (3, 42749091), (7, 18321039), (9, 14249697), (11, 11658843), (21, 6107013), (27, 4749899), (33, 3886281), (63, 2035671), (77, 1665549), (99, 1295427), (189, 678557), (231, 555183), (297, 431809), (693, 185061), (2079, 61687)]