81107955

素因数分解:

$3^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{2999}}^1$

素因数の和:3611

約数の個数: 24

約数和(自身を含む): 140868000

約数和(自身を除く): 59760045

約数列:

[1, 3, 5, 9, 15, 45, 601, 1803, 2999, 3005, 5409, 8997, 9015, 14995, 26991, 27045, 44985, 134955, 1802399, 5407197, 9011995, 16221591, 27035985, 81107955]

約数ペア:

[(1, 81107955), (3, 27035985), (5, 16221591), (9, 9011995), (15, 5407197), (45, 1802399), (601, 134955), (1803, 44985), (2999, 27045), (3005, 26991), (5409, 14995), (8997, 9015)]