12881019

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 18567360

約数和(自身を除く): 5686341

約数列:

[1, 3, 17, 51, 83, 179, 249, 289, 537, 867, 1411, 3043, 4233, 9129, 14857, 23987, 44571, 51731, 71961, 155193, 252569, 757707, 4293673, 12881019]

約数ペア:

[(1, 12881019), (3, 4293673), (17, 757707), (51, 252569), (83, 155193), (179, 71961), (249, 51731), (289, 44571), (537, 23987), (867, 14857), (1411, 9129), (3043, 4233)]