71286015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{279553}}^1$

素因数の和:279578

約数の個数: 16

約数和(自身を含む): 120767328

約数和(自身を除く): 49481313

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 279553, 838659, 1397765, 4193295, 4752401, 14257203, 23762005, 71286015]

約数ペア:

[(1, 71286015), (3, 23762005), (5, 14257203), (15, 4752401), (17, 4193295), (51, 1397765), (85, 838659), (255, 279553)]