31777221

素因数分解:

$3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{5347}}^1$

素因数の和:5640

約数の個数: 16

約数和(自身を含む): 48602624

約数和(自身を除く): 16825403

約数列:

[1, 3, 7, 21, 283, 849, 1981, 5347, 5943, 16041, 37429, 112287, 1513201, 4539603, 10592407, 31777221]

約数ペア:

[(1, 31777221), (3, 10592407), (7, 4539603), (21, 1513201), (283, 112287), (849, 37429), (1981, 16041), (5347, 5943)]