440868267

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 798120960

約数和(自身を除く): 357252693

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 109, 133, 171, 217, 279, 327, 399, 589, 651, 763, 981, 1197, 1767, 1953, 2071, 2289, 3379, 4123, 5301, 6213, 6867, 10137, 11881, 12369, 14497, 18639, 23653, 30411, 35643, 37107, 43491, 64201, 70959, 83167, 106929, 130473, 192603, 212877, 225739, 249501, 368311, 449407, 577809, 677217, 748503, 1104933, 1348221, 1580173, 2031651, 2578177, 3314799, 4044663, 4740519, 6997909, 7734531, 14221557, 20993727, 23203593, 48985363, 62981181, 146956089, 440868267]

約数ペア:

[(1, 440868267), (3, 146956089), (7, 62981181), (9, 48985363), (19, 23203593), (21, 20993727), (31, 14221557), (57, 7734531), (63, 6997909), (93, 4740519), (109, 4044663), (133, 3314799), (171, 2578177), (217, 2031651), (279, 1580173), (327, 1348221), (399, 1104933), (589, 748503), (651, 677217), (763, 577809), (981, 449407), (1197, 368311), (1767, 249501), (1953, 225739), (2071, 212877), (2289, 192603), (3379, 130473), (4123, 106929), (5301, 83167), (6213, 70959), (6867, 64201), (10137, 43491), (11881, 37107), (12369, 35643), (14497, 30411), (18639, 23653)]