81372285

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6257}}^1$

素因数の和:6302

約数の個数: 36

約数和(自身を含む): 149854068

約数和(自身を除く): 68481783

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2601, 4335, 6257, 13005, 18771, 31285, 56313, 93855, 106369, 281565, 319107, 531845, 957321, 1595535, 1808273, 4786605, 5424819, 9041365, 16274457, 27124095, 81372285]

約数ペア:

[(1, 81372285), (3, 27124095), (5, 16274457), (9, 9041365), (15, 5424819), (17, 4786605), (45, 1808273), (51, 1595535), (85, 957321), (153, 531845), (255, 319107), (289, 281565), (765, 106369), (867, 93855), (1445, 56313), (2601, 31285), (4335, 18771), (6257, 13005)]