321917361

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 492195840

約数和(自身を除く): 170278479

約数列:

[1, 3, 19, 23, 31, 57, 69, 89, 93, 267, 437, 589, 713, 1311, 1691, 1767, 2047, 2139, 2759, 5073, 6141, 7921, 8277, 13547, 23763, 38893, 40641, 52421, 63457, 116679, 150499, 157263, 182183, 190371, 245551, 451497, 546549, 736653, 1205683, 3461477, 3617049, 4665469, 5647673, 10384431, 13996407, 16943019, 107305787, 321917361]

約数ペア:

[(1, 321917361), (3, 107305787), (19, 16943019), (23, 13996407), (31, 10384431), (57, 5647673), (69, 4665469), (89, 3617049), (93, 3461477), (267, 1205683), (437, 736653), (589, 546549), (713, 451497), (1311, 245551), (1691, 190371), (1767, 182183), (2047, 157263), (2139, 150499), (2759, 116679), (5073, 63457), (6141, 52421), (7921, 40641), (8277, 38893), (13547, 23763)]