27768481

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 32409384

約数和(自身を除く): 4640903

約数列:

[1, 13, 19, 61, 97, 247, 361, 793, 1159, 1261, 1843, 4693, 5917, 15067, 22021, 23959, 35017, 76921, 112423, 286273, 455221, 1461499, 2136037, 27768481]

約数ペア:

[(1, 27768481), (13, 2136037), (19, 1461499), (61, 455221), (97, 286273), (247, 112423), (361, 76921), (793, 35017), (1159, 23959), (1261, 22021), (1843, 15067), (4693, 5917)]