201471291

素因数分解:

$3^2\times 7^2\times {\mathrm{461}}^1\times {\mathrm{991}}^1$

素因数の和:1472

約数の個数: 36

約数和(自身を含む): 339603264

約数和(自身を除く): 138131973

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 461, 991, 1383, 2973, 3227, 4149, 6937, 8919, 9681, 20811, 22589, 29043, 48559, 62433, 67767, 145677, 203301, 437031, 456851, 1370553, 3197957, 4111659, 9593871, 22385699, 28781613, 67157097, 201471291]

約数ペア:

[(1, 201471291), (3, 67157097), (7, 28781613), (9, 22385699), (21, 9593871), (49, 4111659), (63, 3197957), (147, 1370553), (441, 456851), (461, 437031), (991, 203301), (1383, 145677), (2973, 67767), (3227, 62433), (4149, 48559), (6937, 29043), (8919, 22589), (9681, 20811)]