157313247

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1877}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 259133952

約数和(自身を除く): 101820705

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 307, 921, 1877, 2149, 3991, 5631, 6447, 11973, 13139, 24401, 27937, 39417, 73203, 83811, 170807, 512421, 576239, 1728717, 4033673, 7491107, 12101019, 22473321, 52437749, 157313247]

約数ペア:

[(1, 157313247), (3, 52437749), (7, 22473321), (13, 12101019), (21, 7491107), (39, 4033673), (91, 1728717), (273, 576239), (307, 512421), (921, 170807), (1877, 83811), (2149, 73203), (3991, 39417), (5631, 27937), (6447, 24401), (11973, 13139)]