245222205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{6521}}^1$

素因数の和:6661

約数の個数: 32

約数和(自身を含む): 413233920

約数和(自身を除く): 168011715

約数列:

[1, 3, 5, 15, 23, 69, 109, 115, 327, 345, 545, 1635, 2507, 6521, 7521, 12535, 19563, 32605, 37605, 97815, 149983, 449949, 710789, 749915, 2132367, 2249745, 3553945, 10661835, 16348147, 49044441, 81740735, 245222205]

約数ペア:

[(1, 245222205), (3, 81740735), (5, 49044441), (15, 16348147), (23, 10661835), (69, 3553945), (109, 2249745), (115, 2132367), (327, 749915), (345, 710789), (545, 449949), (1635, 149983), (2507, 97815), (6521, 37605), (7521, 32605), (12535, 19563)]