388689987

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{10463}}^1$

素因数の和:10563

約数の個数: 32

約数和(自身を含む): 622817280

約数和(自身を除く): 234127293

約数列:

[1, 3, 7, 21, 29, 61, 87, 183, 203, 427, 609, 1281, 1769, 5307, 10463, 12383, 31389, 37149, 73241, 219723, 303427, 638243, 910281, 1914729, 2123989, 4467701, 6371967, 13403103, 18509047, 55527141, 129563329, 388689987]

約数ペア:

[(1, 388689987), (3, 129563329), (7, 55527141), (21, 18509047), (29, 13403103), (61, 6371967), (87, 4467701), (183, 2123989), (203, 1914729), (427, 910281), (609, 638243), (1281, 303427), (1769, 219723), (5307, 73241), (10463, 37149), (12383, 31389)]