25679979

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12911}}^1$

素因数の和:12947

約数の個数: 24

約数和(自身を含む): 42299712

約数和(自身を除く): 16619733

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 12911, 38733, 116199, 167843, 219487, 503529, 658461, 1510587, 1975383, 2853331, 8559993, 25679979]

約数ペア:

[(1, 25679979), (3, 8559993), (9, 2853331), (13, 1975383), (17, 1510587), (39, 658461), (51, 503529), (117, 219487), (153, 167843), (221, 116199), (663, 38733), (1989, 12911)]