398687529

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{42337}}^1$

素因数の和:42456

約数の個数: 16

約数和(自身を含む): 551410112

約数和(自身を除く): 152722583

約数列:

[1, 3, 43, 73, 129, 219, 3139, 9417, 42337, 127011, 1820491, 3090601, 5461473, 9271803, 132895843, 398687529]

約数ペア:

[(1, 398687529), (3, 132895843), (43, 9271803), (73, 5461473), (129, 3090601), (219, 1820491), (3139, 127011), (9417, 42337)]