12881295

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 26864640

約数和(自身を除く): 13983345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 105, 129, 135, 189, 215, 301, 315, 317, 387, 645, 903, 945, 951, 1161, 1505, 1585, 1935, 2219, 2709, 2853, 4515, 4755, 5805, 6657, 8127, 8559, 11095, 13545, 13631, 14265, 19971, 33285, 40635, 40893, 42795, 59913, 68155, 95417, 99855, 122679, 204465, 286251, 299565, 368037, 477085, 613395, 858753, 1431255, 1840185, 2576259, 4293765, 12881295]

約数ペア:

[(1, 12881295), (3, 4293765), (5, 2576259), (7, 1840185), (9, 1431255), (15, 858753), (21, 613395), (27, 477085), (35, 368037), (43, 299565), (45, 286251), (63, 204465), (105, 122679), (129, 99855), (135, 95417), (189, 68155), (215, 59913), (301, 42795), (315, 40893), (317, 40635), (387, 33285), (645, 19971), (903, 14265), (945, 13631), (951, 13545), (1161, 11095), (1505, 8559), (1585, 8127), (1935, 6657), (2219, 5805), (2709, 4755), (2853, 4515)]