1966813443

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{11821}}^1$

素因数の和:11992

約数の個数: 48

約数和(自身を含む): 3442566400

約数和(自身を除く): 1475752957

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 139, 171, 399, 417, 973, 1197, 1251, 2641, 2919, 7923, 8757, 11821, 18487, 23769, 35463, 55461, 82747, 106389, 166383, 224599, 248241, 673797, 744723, 1572193, 1643119, 2021391, 4716579, 4929357, 11501833, 14149737, 14788071, 31219261, 34505499, 93657783, 103516497, 218534827, 280973349, 655604481, 1966813443]

約数ペア:

[(1, 1966813443), (3, 655604481), (7, 280973349), (9, 218534827), (19, 103516497), (21, 93657783), (57, 34505499), (63, 31219261), (133, 14788071), (139, 14149737), (171, 11501833), (399, 4929357), (417, 4716579), (973, 2021391), (1197, 1643119), (1251, 1572193), (2641, 744723), (2919, 673797), (7923, 248241), (8757, 224599), (11821, 166383), (18487, 106389), (23769, 82747), (35463, 55461)]