281620079

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1181}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 327054672

約数和(自身を除く): 45434593

約数列:

[1, 13, 17, 83, 169, 221, 1079, 1181, 1411, 2873, 14027, 15353, 18343, 20077, 98023, 199589, 238459, 261001, 1274299, 1666391, 3393013, 16565887, 21663083, 281620079]

約数ペア:

[(1, 281620079), (13, 21663083), (17, 16565887), (83, 3393013), (169, 1666391), (221, 1274299), (1079, 261001), (1181, 238459), (1411, 199589), (2873, 98023), (14027, 20077), (15353, 18343)]