247978329

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 359546880

約数和(自身を除く): 111568551

約数列:

[1, 3, 19, 37, 57, 111, 307, 383, 703, 921, 1149, 2109, 5833, 7277, 11359, 14171, 17499, 21831, 34077, 42513, 117581, 215821, 269249, 352743, 647463, 807747, 2234039, 4350497, 6702117, 13051491, 82659443, 247978329]

約数ペア:

[(1, 247978329), (3, 82659443), (19, 13051491), (37, 6702117), (57, 4350497), (111, 2234039), (307, 807747), (383, 647463), (703, 352743), (921, 269249), (1149, 215821), (2109, 117581), (5833, 42513), (7277, 34077), (11359, 21831), (14171, 17499)]