287086989

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{2551}}^1$

素因数の和:2817

約数の個数: 32

約数和(自身を含む): 458625024

約数和(自身を除く): 171538035

約数列:

[1, 3, 7, 21, 23, 69, 161, 233, 483, 699, 1631, 2551, 4893, 5359, 7653, 16077, 17857, 37513, 53571, 58673, 112539, 176019, 410711, 594383, 1232133, 1783149, 4160681, 12482043, 13670809, 41012427, 95695663, 287086989]

約数ペア:

[(1, 287086989), (3, 95695663), (7, 41012427), (21, 13670809), (23, 12482043), (69, 4160681), (161, 1783149), (233, 1232133), (483, 594383), (699, 410711), (1631, 176019), (2551, 112539), (4893, 58673), (5359, 53571), (7653, 37513), (16077, 17857)]