194974209

素因数分解:

$3^5\times {\mathrm{449}}^1\times {\mathrm{1787}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 292874400

約数和(自身を除く): 97900191

約数列:

[1, 3, 9, 27, 81, 243, 449, 1347, 1787, 4041, 5361, 12123, 16083, 36369, 48249, 109107, 144747, 434241, 802363, 2407089, 7221267, 21663801, 64991403, 194974209]

約数ペア:

[(1, 194974209), (3, 64991403), (9, 21663801), (27, 7221267), (81, 2407089), (243, 802363), (449, 434241), (1347, 144747), (1787, 109107), (4041, 48249), (5361, 36369), (12123, 16083)]