156729493215

素因数分解:

$3^4\times 5^1\times {\mathrm{386986403}}^1$

素因数の和:386986420

約数の個数: 20

約数和(自身を含む): 280952129304

約数和(自身を除く): 124222636089

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 386986403, 1160959209, 1934932015, 3482877627, 5804796045, 10448632881, 17414388135, 31345898643, 52243164405, 156729493215]

約数ペア:

[(1, 156729493215), (3, 52243164405), (5, 31345898643), (9, 17414388135), (15, 10448632881), (27, 5804796045), (45, 3482877627), (81, 1934932015), (135, 1160959209), (405, 386986403)]