80981685

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41851}}^1$

素因数の和:41905

約数の個数: 24

約数和(自身を含む): 143636064

約数和(自身を除く): 62654379

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 41851, 125553, 209255, 376659, 627765, 1799593, 1883295, 5398779, 8997965, 16196337, 26993895, 80981685]

約数ペア:

[(1, 80981685), (3, 26993895), (5, 16196337), (9, 8997965), (15, 5398779), (43, 1883295), (45, 1799593), (129, 627765), (215, 376659), (387, 209255), (645, 125553), (1935, 41851)]