17779713

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 28588032

約数和(自身を除く): 10808319

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 281, 393, 483, 843, 917, 1967, 2751, 3013, 5901, 6463, 9039, 19389, 21091, 36811, 45241, 63273, 110433, 135723, 257677, 773031, 846653, 2539959, 5926571, 17779713]

約数ペア:

[(1, 17779713), (3, 5926571), (7, 2539959), (21, 846653), (23, 773031), (69, 257677), (131, 135723), (161, 110433), (281, 63273), (393, 45241), (483, 36811), (843, 21091), (917, 19389), (1967, 9039), (2751, 6463), (3013, 5901)]