153779715

素因数分解:

$3^4\times 5^1\times {\mathrm{379703}}^1$

素因数の和:379720

約数の個数: 20

約数和(自身を含む): 275665104

約数和(自身を除く): 121885389

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 379703, 1139109, 1898515, 3417327, 5695545, 10251981, 17086635, 30755943, 51259905, 153779715]

約数ペア:

[(1, 153779715), (3, 51259905), (5, 30755943), (9, 17086635), (15, 10251981), (27, 5695545), (45, 3417327), (81, 1898515), (135, 1139109), (405, 379703)]