289474017

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{8171}}^1$

素因数の和:8429

約数の個数: 24

約数和(自身を含む): 450898272

約数和(自身を除く): 161424255

約数列:

[1, 3, 7, 21, 49, 147, 241, 723, 1687, 5061, 8171, 11809, 24513, 35427, 57197, 171591, 400379, 1201137, 1969211, 5907633, 13784477, 41353431, 96491339, 289474017]

約数ペア:

[(1, 289474017), (3, 96491339), (7, 41353431), (21, 13784477), (49, 5907633), (147, 1969211), (241, 1201137), (723, 400379), (1687, 171591), (5061, 57197), (8171, 35427), (11809, 24513)]