13809789

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 24460800

約数和(自身を除く): 10651011

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 83, 133, 139, 171, 249, 399, 417, 581, 747, 973, 1197, 1251, 1577, 1743, 2641, 2919, 4731, 5229, 7923, 8757, 11039, 11537, 14193, 18487, 23769, 33117, 34611, 55461, 80759, 99351, 103833, 166383, 219203, 242277, 657609, 726831, 1534421, 1972827, 4603263, 13809789]

約数ペア:

[(1, 13809789), (3, 4603263), (7, 1972827), (9, 1534421), (19, 726831), (21, 657609), (57, 242277), (63, 219203), (83, 166383), (133, 103833), (139, 99351), (171, 80759), (249, 55461), (399, 34611), (417, 33117), (581, 23769), (747, 18487), (973, 14193), (1197, 11537), (1251, 11039), (1577, 8757), (1743, 7923), (2641, 5229), (2919, 4731)]