77173947

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 121305600

約数和(自身を除く): 44131653

約数列:

[1, 3, 9, 23, 59, 69, 71, 89, 177, 207, 213, 267, 531, 639, 801, 1357, 1633, 2047, 4071, 4189, 4899, 5251, 6141, 6319, 12213, 12567, 14697, 15753, 18423, 18957, 37701, 47259, 56871, 96347, 120773, 145337, 289041, 362319, 372821, 436011, 867123, 1086957, 1118463, 1308033, 3355389, 8574883, 25724649, 77173947]

約数ペア:

[(1, 77173947), (3, 25724649), (9, 8574883), (23, 3355389), (59, 1308033), (69, 1118463), (71, 1086957), (89, 867123), (177, 436011), (207, 372821), (213, 362319), (267, 289041), (531, 145337), (639, 120773), (801, 96347), (1357, 56871), (1633, 47259), (2047, 37701), (4071, 18957), (4189, 18423), (4899, 15753), (5251, 14697), (6141, 12567), (6319, 12213)]