71271963

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 124240896

約数和(自身を除く): 52968933

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 101, 161, 207, 303, 483, 487, 707, 909, 1449, 1461, 2121, 2323, 3409, 4383, 6363, 6969, 10227, 11201, 16261, 20907, 30681, 33603, 48783, 49187, 78407, 100809, 146349, 147561, 235221, 344309, 442683, 705663, 1032927, 1131301, 3098781, 3393903, 7919107, 10181709, 23757321, 71271963]

約数ペア:

[(1, 71271963), (3, 23757321), (7, 10181709), (9, 7919107), (21, 3393903), (23, 3098781), (63, 1131301), (69, 1032927), (101, 705663), (161, 442683), (207, 344309), (303, 235221), (483, 147561), (487, 146349), (707, 100809), (909, 78407), (1449, 49187), (1461, 48783), (2121, 33603), (2323, 30681), (3409, 20907), (4383, 16261), (6363, 11201), (6969, 10227)]