72205947

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 125049600

約数和(自身を除く): 52843653

約数列:

[1, 3, 9, 11, 19, 23, 33, 57, 69, 99, 171, 207, 209, 253, 437, 627, 759, 1311, 1669, 1881, 2277, 3933, 4807, 5007, 14421, 15021, 18359, 31711, 38387, 43263, 55077, 95133, 115161, 165231, 285399, 345483, 348821, 422257, 729353, 1046463, 1266771, 2188059, 3139389, 3800313, 6564177, 8022883, 24068649, 72205947]

約数ペア:

[(1, 72205947), (3, 24068649), (9, 8022883), (11, 6564177), (19, 3800313), (23, 3139389), (33, 2188059), (57, 1266771), (69, 1046463), (99, 729353), (171, 422257), (207, 348821), (209, 345483), (253, 285399), (437, 165231), (627, 115161), (759, 95133), (1311, 55077), (1669, 43263), (1881, 38387), (2277, 31711), (3933, 18359), (4807, 15021), (5007, 14421)]