28953405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 55351296

約数和(自身を除く): 26397891

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 1151, 1677, 1935, 2795, 3453, 5031, 5755, 8385, 10359, 14963, 17265, 25155, 44889, 49493, 51795, 74815, 134667, 148479, 224445, 247465, 445437, 643409, 673335, 742395, 1930227, 2227185, 3217045, 5790681, 9651135, 28953405]

約数ペア:

[(1, 28953405), (3, 9651135), (5, 5790681), (9, 3217045), (13, 2227185), (15, 1930227), (39, 742395), (43, 673335), (45, 643409), (65, 445437), (117, 247465), (129, 224445), (195, 148479), (215, 134667), (387, 74815), (559, 51795), (585, 49493), (645, 44889), (1151, 25155), (1677, 17265), (1935, 14963), (2795, 10359), (3453, 8385), (5031, 5755)]