278078715

素因数分解:

$3^2\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{4139}}^1$

素因数の和:5643

約数の個数: 24

約数和(自身を含む): 482442480

約数和(自身を除く): 204363765

約数列:

[1, 3, 5, 9, 15, 45, 1493, 4139, 4479, 7465, 12417, 13437, 20695, 22395, 37251, 62085, 67185, 186255, 6179527, 18538581, 30897635, 55615743, 92692905, 278078715]

約数ペア:

[(1, 278078715), (3, 92692905), (5, 55615743), (9, 30897635), (15, 18538581), (45, 6179527), (1493, 186255), (4139, 67185), (4479, 62085), (7465, 37251), (12417, 22395), (13437, 20695)]