748384371

素因数分解:

$3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{11987}}^1$

素因数の和:12991

約数の個数: 24

約数和(自身を含む): 1236777984

約数和(自身を除く): 488393613

約数列:

[1, 3, 7, 9, 21, 63, 991, 2973, 6937, 8919, 11987, 20811, 35961, 62433, 83909, 107883, 251727, 755181, 11879117, 35637351, 83153819, 106912053, 249461457, 748384371]

約数ペア:

[(1, 748384371), (3, 249461457), (7, 106912053), (9, 83153819), (21, 35637351), (63, 11879117), (991, 755181), (2973, 251727), (6937, 107883), (8919, 83909), (11987, 62433), (20811, 35961)]