201320469

素因数分解:

$3^2\times 7^2\times {\mathrm{307}}^1\times {\mathrm{1487}}^1$

素因数の和:1814

約数の個数: 36

約数和(自身を含む): 339603264

約数和(自身を除く): 138282795

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 307, 441, 921, 1487, 2149, 2763, 4461, 6447, 10409, 13383, 15043, 19341, 31227, 45129, 72863, 93681, 135387, 218589, 456509, 655767, 1369527, 3195563, 4108581, 9586689, 22368941, 28760067, 67106823, 201320469]

約数ペア:

[(1, 201320469), (3, 67106823), (7, 28760067), (9, 22368941), (21, 9586689), (49, 4108581), (63, 3195563), (147, 1369527), (307, 655767), (441, 456509), (921, 218589), (1487, 135387), (2149, 93681), (2763, 72863), (4461, 45129), (6447, 31227), (10409, 19341), (13383, 15043)]