380373021

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{128461}}^1$

素因数の和:128521

約数の個数: 24

約数和(自身を含む): 641282304

約数和(自身を除く): 260909283

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 128461, 385383, 899227, 1156149, 2697681, 6037667, 8093043, 18113001, 42263669, 54339003, 126791007, 380373021]

約数ペア:

[(1, 380373021), (3, 126791007), (7, 54339003), (9, 42263669), (21, 18113001), (47, 8093043), (63, 6037667), (141, 2697681), (329, 1156149), (423, 899227), (987, 385383), (2961, 128461)]