311907807

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{8513}}^1$

素因数の和:8604

約数の個数: 32

約数和(自身を含む): 490406400

約数和(自身を除く): 178498593

約数列:

[1, 3, 9, 23, 27, 59, 69, 177, 207, 531, 621, 1357, 1593, 4071, 8513, 12213, 25539, 36639, 76617, 195799, 229851, 502267, 587397, 1506801, 1762191, 4520403, 5286573, 11552141, 13561209, 34656423, 103969269, 311907807]

約数ペア:

[(1, 311907807), (3, 103969269), (9, 34656423), (23, 13561209), (27, 11552141), (59, 5286573), (69, 4520403), (177, 1762191), (207, 1506801), (531, 587397), (621, 502267), (1357, 229851), (1593, 195799), (4071, 76617), (8513, 36639), (12213, 25539)]