71828865

素因数分解:

$3^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1601}}^1$

素因数の和:2609

約数の個数: 24

約数和(自身を含む): 124706088

約数和(自身を除く): 52877223

約数列:

[1, 3, 5, 9, 15, 45, 997, 1601, 2991, 4803, 4985, 8005, 8973, 14409, 14955, 24015, 44865, 72045, 1596197, 4788591, 7980985, 14365773, 23942955, 71828865]

約数ペア:

[(1, 71828865), (3, 23942955), (5, 14365773), (9, 7980985), (15, 4788591), (45, 1596197), (997, 72045), (1601, 44865), (2991, 24015), (4803, 14955), (4985, 14409), (8005, 8973)]