22120209

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{787}}^1$

素因数の和:1146

約数の個数: 20

約数和(自身を含む): 33181104

約数和(自身を除く): 11060895

約数列:

[1, 3, 9, 27, 81, 347, 787, 1041, 2361, 3123, 7083, 9369, 21249, 28107, 63747, 273089, 819267, 2457801, 7373403, 22120209]

約数ペア:

[(1, 22120209), (3, 7373403), (9, 2457801), (27, 819267), (81, 273089), (347, 63747), (787, 28107), (1041, 21249), (2361, 9369), (3123, 7083)]