90197745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 164505600

約数和(自身を除く): 74307855

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 67, 123, 165, 199, 201, 205, 335, 451, 597, 615, 737, 995, 1005, 1353, 2189, 2211, 2255, 2747, 2985, 3685, 6567, 6765, 8159, 8241, 10945, 11055, 13333, 13735, 24477, 30217, 32835, 39999, 40795, 41205, 66665, 89749, 90651, 122385, 146663, 151085, 199995, 269247, 439989, 448745, 453255, 546653, 733315, 1346235, 1639959, 2199945, 2733265, 6013183, 8199795, 18039549, 30065915, 90197745]

約数ペア:

[(1, 90197745), (3, 30065915), (5, 18039549), (11, 8199795), (15, 6013183), (33, 2733265), (41, 2199945), (55, 1639959), (67, 1346235), (123, 733315), (165, 546653), (199, 453255), (201, 448745), (205, 439989), (335, 269247), (451, 199995), (597, 151085), (615, 146663), (737, 122385), (995, 90651), (1005, 89749), (1353, 66665), (2189, 41205), (2211, 40795), (2255, 39999), (2747, 32835), (2985, 30217), (3685, 24477), (6567, 13735), (6765, 13333), (8159, 11055), (8241, 10945)]