397788189

素因数分解:

$3^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1\times {\mathrm{829}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 533776320

約数和(自身を除く): 135988131

約数列:

[1, 3, 307, 521, 829, 921, 1563, 2487, 159947, 254503, 431909, 479841, 763509, 1295727, 132596063, 397788189]

約数ペア:

[(1, 397788189), (3, 132596063), (307, 1295727), (521, 763509), (829, 479841), (921, 431909), (1563, 254503), (2487, 159947)]