13518315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 25474176

約数和(自身を除く): 11955861

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 431, 615, 697, 765, 1293, 1845, 2091, 2155, 3485, 3879, 6273, 6465, 7327, 10455, 17671, 19395, 21981, 31365, 36635, 53013, 65943, 88355, 109905, 159039, 265065, 300407, 329715, 795195, 901221, 1502035, 2703663, 4506105, 13518315]

約数ペア:

[(1, 13518315), (3, 4506105), (5, 2703663), (9, 1502035), (15, 901221), (17, 795195), (41, 329715), (45, 300407), (51, 265065), (85, 159039), (123, 109905), (153, 88355), (205, 65943), (255, 53013), (369, 36635), (431, 31365), (615, 21981), (697, 19395), (765, 17671), (1293, 10455), (1845, 7327), (2091, 6465), (2155, 6273), (3485, 3879)]