25838955

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 22383765

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 643, 705, 855, 893, 1929, 2115, 2679, 3215, 4465, 5787, 8037, 9645, 12217, 13395, 28935, 30221, 36651, 40185, 61085, 90663, 109953, 151105, 183255, 271989, 453315, 549765, 574199, 1359945, 1722597, 2870995, 5167791, 8612985, 25838955]

約数ペア:

[(1, 25838955), (3, 8612985), (5, 5167791), (9, 2870995), (15, 1722597), (19, 1359945), (45, 574199), (47, 549765), (57, 453315), (95, 271989), (141, 183255), (171, 151105), (235, 109953), (285, 90663), (423, 61085), (643, 40185), (705, 36651), (855, 30221), (893, 28935), (1929, 13395), (2115, 12217), (2679, 9645), (3215, 8037), (4465, 5787)]