7938297

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 12337920

約数和(自身を除く): 4399623

約数列:

[1, 3, 9, 27, 41, 71, 101, 123, 213, 303, 369, 639, 909, 1107, 1917, 2727, 2911, 4141, 7171, 8733, 12423, 21513, 26199, 37269, 64539, 78597, 111807, 193617, 294011, 882033, 2646099, 7938297]

約数ペア:

[(1, 7938297), (3, 2646099), (9, 882033), (27, 294011), (41, 193617), (71, 111807), (101, 78597), (123, 64539), (213, 37269), (303, 26199), (369, 21513), (639, 12423), (909, 8733), (1107, 7171), (1917, 4141), (2727, 2911)]