38888409

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1931}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 60788448

約数和(自身を除く): 21900039

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 1931, 2877, 5793, 6713, 13517, 20139, 40551, 94619, 264547, 283857, 793641, 1851829, 5555487, 12962803, 38888409]

約数ペア:

[(1, 38888409), (3, 12962803), (7, 5555487), (21, 1851829), (49, 793641), (137, 283857), (147, 264547), (411, 94619), (959, 40551), (1931, 20139), (2877, 13517), (5793, 6713)]