378889281

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{2957}}^1$

素因数の和:3605

約数の個数: 24

約数和(自身を含む): 572195520

約数和(自身を除く): 193306239

約数列:

[1, 3, 9, 23, 69, 207, 619, 1857, 2957, 5571, 8871, 14237, 26613, 42711, 68011, 128133, 204033, 612099, 1830383, 5491149, 16473447, 42098809, 126296427, 378889281]

約数ペア:

[(1, 378889281), (3, 126296427), (9, 42098809), (23, 16473447), (69, 5491149), (207, 1830383), (619, 612099), (1857, 204033), (2957, 128133), (5571, 68011), (8871, 42711), (14237, 26613)]