16311789

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 27518400

約数和(自身を除く): 11206611

約数列:

[1, 3, 9, 13, 17, 39, 51, 59, 117, 139, 153, 177, 221, 417, 531, 663, 767, 1003, 1251, 1807, 1989, 2301, 2363, 3009, 5421, 6903, 7089, 8201, 9027, 13039, 16263, 21267, 24603, 30719, 39117, 73809, 92157, 106613, 117351, 139417, 276471, 319839, 418251, 959517, 1254753, 1812421, 5437263, 16311789]

約数ペア:

[(1, 16311789), (3, 5437263), (9, 1812421), (13, 1254753), (17, 959517), (39, 418251), (51, 319839), (59, 276471), (117, 139417), (139, 117351), (153, 106613), (177, 92157), (221, 73809), (417, 39117), (531, 30719), (663, 24603), (767, 21267), (1003, 16263), (1251, 13039), (1807, 9027), (1989, 8201), (2301, 7089), (2363, 6903), (3009, 5421)]