7213311

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1951

約数の個数: 24

約数和(自身を含む): 12109344

約数和(自身を除く): 4896033

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 1877, 3843, 5631, 13139, 16893, 39417, 114497, 118251, 343491, 801479, 1030473, 2404437, 7213311]

約数ペア:

[(1, 7213311), (3, 2404437), (7, 1030473), (9, 801479), (21, 343491), (61, 118251), (63, 114497), (183, 39417), (427, 16893), (549, 13139), (1281, 5631), (1877, 3843)]