213551385

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{1063}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 349332480

約数和(自身を除く): 135781095

約数列:

[1, 3, 5, 15, 59, 177, 227, 295, 681, 885, 1063, 1135, 3189, 3405, 5315, 13393, 15945, 40179, 62717, 66965, 188151, 200895, 241301, 313585, 723903, 940755, 1206505, 3619515, 14236759, 42710277, 71183795, 213551385]

約数ペア:

[(1, 213551385), (3, 71183795), (5, 42710277), (15, 14236759), (59, 3619515), (177, 1206505), (227, 940755), (295, 723903), (681, 313585), (885, 241301), (1063, 200895), (1135, 188151), (3189, 66965), (3405, 62717), (5315, 40179), (13393, 15945)]