201543789

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 292253184

約数和(自身を除く): 90709395

約数列:

[1, 3, 17, 51, 53, 159, 173, 431, 519, 901, 1293, 2703, 2941, 7327, 8823, 9169, 21981, 22843, 27507, 68529, 74563, 155873, 223689, 388331, 467619, 1164993, 1267571, 3802713, 3951839, 11855517, 67181263, 201543789]

約数ペア:

[(1, 201543789), (3, 67181263), (17, 11855517), (51, 3951839), (53, 3802713), (159, 1267571), (173, 1164993), (431, 467619), (519, 388331), (901, 223689), (1293, 155873), (2703, 74563), (2941, 68529), (7327, 27507), (8823, 22843), (9169, 21981)]