378486513

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{8389}}^1$

素因数の和:8958

約数の個数: 20

約数和(自身を含む): 566476020

約数和(自身を除く): 187989507

約数列:

[1, 3, 9, 27, 81, 557, 1671, 5013, 8389, 15039, 25167, 45117, 75501, 226503, 679509, 4672673, 14018019, 42054057, 126162171, 378486513]

約数ペア:

[(1, 378486513), (3, 126162171), (9, 42054057), (27, 14018019), (81, 4672673), (557, 679509), (1671, 226503), (5013, 75501), (8389, 45117), (15039, 25167)]