15122247

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 9207993

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 239, 393, 483, 717, 917, 1673, 2751, 3013, 5019, 5497, 9039, 16491, 21091, 31309, 38479, 63273, 93927, 115437, 219163, 657489, 720107, 2160321, 5040749, 15122247]

約数ペア:

[(1, 15122247), (3, 5040749), (7, 2160321), (21, 720107), (23, 657489), (69, 219163), (131, 115437), (161, 93927), (239, 63273), (393, 38479), (483, 31309), (717, 21091), (917, 16491), (1673, 9039), (2751, 5497), (3013, 5019)]