528255

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:77

約数の個数: 64

約数和(自身を含む): 1182720

約数和(自身を除く): 654465

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 43, 45, 63, 65, 91, 105, 117, 129, 135, 189, 195, 215, 273, 301, 315, 351, 387, 455, 559, 585, 645, 819, 903, 945, 1161, 1365, 1505, 1677, 1755, 1935, 2457, 2709, 2795, 3913, 4095, 4515, 5031, 5805, 8127, 8385, 11739, 12285, 13545, 15093, 19565, 25155, 35217, 40635, 58695, 75465, 105651, 176085, 528255]

約数ペア:

[(1, 528255), (3, 176085), (5, 105651), (7, 75465), (9, 58695), (13, 40635), (15, 35217), (21, 25155), (27, 19565), (35, 15093), (39, 13545), (43, 12285), (45, 11739), (63, 8385), (65, 8127), (91, 5805), (105, 5031), (117, 4515), (129, 4095), (135, 3913), (189, 2795), (195, 2709), (215, 2457), (273, 1935), (301, 1755), (315, 1677), (351, 1505), (387, 1365), (455, 1161), (559, 945), (585, 903), (645, 819)]