201831507

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:497

約数の個数: 40

約数和(自身を含む): 309711600

約数和(自身を除く): 107880093

約数列:

[1, 3, 9, 27, 59, 81, 157, 177, 269, 471, 531, 807, 1413, 1593, 2421, 4239, 4779, 7263, 9263, 12717, 15871, 21789, 27789, 42233, 47613, 83367, 126699, 142839, 250101, 380097, 428517, 750303, 1140291, 1285551, 2491747, 3420873, 7475241, 22425723, 67277169, 201831507]

約数ペア:

[(1, 201831507), (3, 67277169), (9, 22425723), (27, 7475241), (59, 3420873), (81, 2491747), (157, 1285551), (177, 1140291), (269, 750303), (471, 428517), (531, 380097), (807, 250101), (1413, 142839), (1593, 126699), (2421, 83367), (4239, 47613), (4779, 42233), (7263, 27789), (9263, 21789), (12717, 15871)]