179900973

素因数分解:

$3^3\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1667}}^1$

素因数の和:2254

約数の個数: 32

約数和(自身を含む): 305310720

約数和(自身を除く): 125409747

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 571, 1667, 1713, 3997, 5001, 5139, 11669, 11991, 15003, 15417, 35007, 35973, 45009, 105021, 107919, 315063, 951857, 2855571, 6662999, 8566713, 19988997, 25700139, 59966991, 179900973]

約数ペア:

[(1, 179900973), (3, 59966991), (7, 25700139), (9, 19988997), (21, 8566713), (27, 6662999), (63, 2855571), (189, 951857), (571, 315063), (1667, 107919), (1713, 105021), (3997, 45009), (5001, 35973), (5139, 35007), (11669, 15417), (11991, 15003)]