291215865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{4987}}^1$

素因数の和:5241

約数の個数: 32

約数和(自身を含む): 495607680

約数和(自身を除く): 204391815

約数列:

[1, 3, 5, 15, 17, 51, 85, 229, 255, 687, 1145, 3435, 3893, 4987, 11679, 14961, 19465, 24935, 58395, 74805, 84779, 254337, 423895, 1142023, 1271685, 3426069, 5710115, 17130345, 19414391, 58243173, 97071955, 291215865]

約数ペア:

[(1, 291215865), (3, 97071955), (5, 58243173), (15, 19414391), (17, 17130345), (51, 5710115), (85, 3426069), (229, 1271685), (255, 1142023), (687, 423895), (1145, 254337), (3435, 84779), (3893, 74805), (4987, 58395), (11679, 24935), (14961, 19465)]