153442821

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1949}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 245606400

約数和(自身を除く): 92163579

約数列:

[1, 3, 7, 21, 23, 69, 161, 163, 483, 489, 1141, 1949, 3423, 3749, 5847, 11247, 13643, 26243, 40929, 44827, 78729, 134481, 313789, 317687, 941367, 953061, 2223809, 6671427, 7306801, 21920403, 51147607, 153442821]

約数ペア:

[(1, 153442821), (3, 51147607), (7, 21920403), (21, 7306801), (23, 6671427), (69, 2223809), (161, 953061), (163, 941367), (483, 317687), (489, 313789), (1141, 134481), (1949, 78729), (3423, 44827), (3749, 40929), (5847, 26243), (11247, 13643)]