2161706175

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{417721}}^1$

素因数の和:417760

約数の個数: 36

約数和(自身を含む): 4040207184

約数和(自身を除く): 1878501009

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 417721, 1253163, 2088605, 3759489, 6265815, 9607583, 10443025, 18797445, 28822749, 31329075, 48037915, 86468247, 93987225, 144113745, 240189575, 432341235, 720568725, 2161706175]

約数ペア:

[(1, 2161706175), (3, 720568725), (5, 432341235), (9, 240189575), (15, 144113745), (23, 93987225), (25, 86468247), (45, 48037915), (69, 31329075), (75, 28822749), (115, 18797445), (207, 10443025), (225, 9607583), (345, 6265815), (575, 3759489), (1035, 2088605), (1725, 1253163), (5175, 417721)]