187780021

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 240123520

約数和(自身を除く): 52343499

約数列:

[1, 11, 13, 19, 61, 103, 121, 143, 209, 247, 671, 793, 1133, 1159, 1339, 1573, 1957, 2299, 2717, 6283, 7381, 8723, 12463, 12749, 14729, 15067, 21527, 25441, 29887, 69113, 81679, 95953, 119377, 140239, 162019, 165737, 236797, 279851, 760243, 898469, 1313147, 1551901, 1823107, 3078361, 9883159, 14444617, 17070911, 187780021]

約数ペア:

[(1, 187780021), (11, 17070911), (13, 14444617), (19, 9883159), (61, 3078361), (103, 1823107), (121, 1551901), (143, 1313147), (209, 898469), (247, 760243), (671, 279851), (793, 236797), (1133, 165737), (1159, 162019), (1339, 140239), (1573, 119377), (1957, 95953), (2299, 81679), (2717, 69113), (6283, 29887), (7381, 25441), (8723, 21527), (12463, 15067), (12749, 14729)]