18072105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 30907008

約数和(自身を除く): 12834903

約数列:

[1, 3, 5, 15, 17, 51, 85, 131, 255, 393, 541, 655, 1623, 1965, 2227, 2705, 6681, 8115, 9197, 11135, 27591, 33405, 45985, 70871, 137955, 212613, 354355, 1063065, 1204807, 3614421, 6024035, 18072105]

約数ペア:

[(1, 18072105), (3, 6024035), (5, 3614421), (15, 1204807), (17, 1063065), (51, 354355), (85, 212613), (131, 137955), (255, 70871), (393, 45985), (541, 33405), (655, 27591), (1623, 11135), (1965, 9197), (2227, 8115), (2705, 6681)]