1391523

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 2297856

約数和(自身を除く): 906333

約数列:

[1, 3, 7, 21, 23, 43, 67, 69, 129, 161, 201, 301, 469, 483, 903, 989, 1407, 1541, 2881, 2967, 4623, 6923, 8643, 10787, 20167, 20769, 32361, 60501, 66263, 198789, 463841, 1391523]

約数ペア:

[(1, 1391523), (3, 463841), (7, 198789), (21, 66263), (23, 60501), (43, 32361), (67, 20769), (69, 20167), (129, 10787), (161, 8643), (201, 6923), (301, 4623), (469, 2967), (483, 2881), (903, 1541), (989, 1407)]