291036255

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{4217}}^1$

素因数の和:4375

約数の個数: 32

約数和(自身を含む): 481054464

約数和(自身を除く): 190018209

約数列:

[1, 3, 5, 15, 43, 107, 129, 215, 321, 535, 645, 1605, 4217, 4601, 12651, 13803, 21085, 23005, 63255, 69015, 181331, 451219, 543993, 906655, 1353657, 2256095, 2719965, 6768285, 19402417, 58207251, 97012085, 291036255]

約数ペア:

[(1, 291036255), (3, 97012085), (5, 58207251), (15, 19402417), (43, 6768285), (107, 2719965), (129, 2256095), (215, 1353657), (321, 906655), (535, 543993), (645, 451219), (1605, 181331), (4217, 69015), (4601, 63255), (12651, 23005), (13803, 21085)]