1389339909

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{394811}}^1$

素因数の和:394857

約数の個数: 24

約数和(自身を含む): 2217264192

約数和(自身を除く): 827924283

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 394811, 1184433, 3553299, 6711787, 9080653, 20135361, 27241959, 60406083, 81725877, 154371101, 463113303, 1389339909]

約数ペア:

[(1, 1389339909), (3, 463113303), (9, 154371101), (17, 81725877), (23, 60406083), (51, 27241959), (69, 20135361), (153, 9080653), (207, 6711787), (391, 3553299), (1173, 1184433), (3519, 394811)]