81017955

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8221}}^1$

素因数の和:8308

約数の個数: 32

約数和(自身を含む): 146022720

約数和(自身を除く): 65004765

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 3285, 8221, 9855, 24663, 41105, 73989, 123315, 221967, 369945, 600133, 1109835, 1800399, 3000665, 5401197, 9001995, 16203591, 27005985, 81017955]

約数ペア:

[(1, 81017955), (3, 27005985), (5, 16203591), (9, 9001995), (15, 5401197), (27, 3000665), (45, 1800399), (73, 1109835), (135, 600133), (219, 369945), (365, 221967), (657, 123315), (1095, 73989), (1971, 41105), (3285, 24663), (8221, 9855)]