156716640945

素因数分解:

$3^4\times 5^1\times {\mathrm{386954669}}^1$

素因数の和:386954686

約数の個数: 20

約数和(自身を含む): 280929090420

約数和(自身を除く): 124212449475

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 386954669, 1160864007, 1934773345, 3482592021, 5804320035, 10447776063, 17412960105, 31343328189, 52238880315, 156716640945]

約数ペア:

[(1, 156716640945), (3, 52238880315), (5, 31343328189), (9, 17412960105), (15, 10447776063), (27, 5804320035), (45, 3482592021), (81, 1934773345), (135, 1160864007), (405, 386954669)]