3997791

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 7188480

約数和(自身を除く): 3190689

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 89, 93, 161, 207, 217, 267, 279, 483, 623, 651, 713, 801, 1449, 1869, 1953, 2047, 2139, 2759, 4991, 5607, 6141, 6417, 8277, 14329, 14973, 18423, 19313, 24831, 42987, 44919, 57939, 63457, 128961, 173817, 190371, 444199, 571113, 1332597, 3997791]

約数ペア:

[(1, 3997791), (3, 1332597), (7, 571113), (9, 444199), (21, 190371), (23, 173817), (31, 128961), (63, 63457), (69, 57939), (89, 44919), (93, 42987), (161, 24831), (207, 19313), (217, 18423), (267, 14973), (279, 14329), (483, 8277), (623, 6417), (651, 6141), (713, 5607), (801, 4991), (1449, 2759), (1869, 2139), (1953, 2047)]