221247117

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{270143}}^1$

素因数の和:270169

約数の個数: 24

約数和(自身を含む): 393329664

約数和(自身を除く): 172082547

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 270143, 810429, 1891001, 2431287, 3511859, 5673003, 10535577, 17019009, 24583013, 31606731, 73749039, 221247117]

約数ペア:

[(1, 221247117), (3, 73749039), (7, 31606731), (9, 24583013), (13, 17019009), (21, 10535577), (39, 5673003), (63, 3511859), (91, 2431287), (117, 1891001), (273, 810429), (819, 270143)]