420199342281

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{97880117}}^1$

素因数の和:97880182

約数の個数: 20

約数和(自身を含む): 639548691012

約数和(自身を除く): 219349348731

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 97880117, 293640351, 880921053, 2642763159, 5187646201, 7928289477, 15562938603, 46688815809, 140066447427, 420199342281]

約数ペア:

[(1, 420199342281), (3, 140066447427), (9, 46688815809), (27, 15562938603), (53, 7928289477), (81, 5187646201), (159, 2642763159), (477, 880921053), (1431, 293640351), (4293, 97880117)]