72017995

素因数分解:

$5^1\times 7^5\times {\mathrm{857}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 100941984

約数和(自身を除く): 28923989

約数列:

[1, 5, 7, 35, 49, 245, 343, 857, 1715, 2401, 4285, 5999, 12005, 16807, 29995, 41993, 84035, 209965, 293951, 1469755, 2057657, 10288285, 14403599, 72017995]

約数ペア:

[(1, 72017995), (5, 14403599), (7, 10288285), (35, 2057657), (49, 1469755), (245, 293951), (343, 209965), (857, 84035), (1715, 41993), (2401, 29995), (4285, 16807), (5999, 12005)]