81147222

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20399}}^1$

素因数の和:20437

約数の個数: 48

約数和(自身を含む): 200491200

約数和(自身を除く): 119343978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 20399, 40798, 61197, 122394, 183591, 265187, 346783, 367182, 530374, 693566, 795561, 1040349, 1591122, 2080698, 2386683, 3121047, 4508179, 4773366, 6242094, 9016358, 13524537, 27049074, 40573611, 81147222]

約数ペア:

[(1, 81147222), (2, 40573611), (3, 27049074), (6, 13524537), (9, 9016358), (13, 6242094), (17, 4773366), (18, 4508179), (26, 3121047), (34, 2386683), (39, 2080698), (51, 1591122), (78, 1040349), (102, 795561), (117, 693566), (153, 530374), (221, 367182), (234, 346783), (306, 265187), (442, 183591), (663, 122394), (1326, 61197), (1989, 40798), (3978, 20399)]