261020499

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1613}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 390458880

約数和(自身を除く): 129438381

約数列:

[1, 3, 17, 19, 51, 57, 167, 323, 501, 969, 1613, 2839, 3173, 4839, 8517, 9519, 27421, 30647, 53941, 82263, 91941, 161823, 269371, 520999, 808113, 1562997, 4579307, 5118049, 13737921, 15354147, 87006833, 261020499]

約数ペア:

[(1, 261020499), (3, 87006833), (17, 15354147), (19, 13737921), (51, 5118049), (57, 4579307), (167, 1562997), (323, 808113), (501, 520999), (969, 269371), (1613, 161823), (2839, 91941), (3173, 82263), (4839, 53941), (8517, 30647), (9519, 27421)]